1*61046927SAndroid Build Coastguard Worker /*
2*61046927SAndroid Build Coastguard Worker * Mesa 3-D graphics library
3*61046927SAndroid Build Coastguard Worker *
4*61046927SAndroid Build Coastguard Worker * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5*61046927SAndroid Build Coastguard Worker * Copyright (c) 2008-2009 VMware, Inc.
6*61046927SAndroid Build Coastguard Worker *
7*61046927SAndroid Build Coastguard Worker * Permission is hereby granted, free of charge, to any person obtaining a
8*61046927SAndroid Build Coastguard Worker * copy of this software and associated documentation files (the "Software"),
9*61046927SAndroid Build Coastguard Worker * to deal in the Software without restriction, including without limitation
10*61046927SAndroid Build Coastguard Worker * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11*61046927SAndroid Build Coastguard Worker * and/or sell copies of the Software, and to permit persons to whom the
12*61046927SAndroid Build Coastguard Worker * Software is furnished to do so, subject to the following conditions:
13*61046927SAndroid Build Coastguard Worker *
14*61046927SAndroid Build Coastguard Worker * The above copyright notice and this permission notice shall be included
15*61046927SAndroid Build Coastguard Worker * in all copies or substantial portions of the Software.
16*61046927SAndroid Build Coastguard Worker *
17*61046927SAndroid Build Coastguard Worker * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18*61046927SAndroid Build Coastguard Worker * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19*61046927SAndroid Build Coastguard Worker * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20*61046927SAndroid Build Coastguard Worker * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21*61046927SAndroid Build Coastguard Worker * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22*61046927SAndroid Build Coastguard Worker * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23*61046927SAndroid Build Coastguard Worker * OTHER DEALINGS IN THE SOFTWARE.
24*61046927SAndroid Build Coastguard Worker */
25*61046927SAndroid Build Coastguard Worker
26*61046927SAndroid Build Coastguard Worker
27*61046927SAndroid Build Coastguard Worker #include "errors.h"
28*61046927SAndroid Build Coastguard Worker
29*61046927SAndroid Build Coastguard Worker #include "formats.h"
30*61046927SAndroid Build Coastguard Worker #include "macros.h"
31*61046927SAndroid Build Coastguard Worker #include "glformats.h"
32*61046927SAndroid Build Coastguard Worker #include "c11/threads.h"
33*61046927SAndroid Build Coastguard Worker #include "util/hash_table.h"
34*61046927SAndroid Build Coastguard Worker
35*61046927SAndroid Build Coastguard Worker /**
36*61046927SAndroid Build Coastguard Worker * Information about texture formats.
37*61046927SAndroid Build Coastguard Worker */
38*61046927SAndroid Build Coastguard Worker struct mesa_format_info
39*61046927SAndroid Build Coastguard Worker {
40*61046927SAndroid Build Coastguard Worker mesa_format Name;
41*61046927SAndroid Build Coastguard Worker
42*61046927SAndroid Build Coastguard Worker /** text name for debugging */
43*61046927SAndroid Build Coastguard Worker const char *StrName;
44*61046927SAndroid Build Coastguard Worker
45*61046927SAndroid Build Coastguard Worker enum mesa_format_layout Layout;
46*61046927SAndroid Build Coastguard Worker
47*61046927SAndroid Build Coastguard Worker /**
48*61046927SAndroid Build Coastguard Worker * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
49*61046927SAndroid Build Coastguard Worker * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
50*61046927SAndroid Build Coastguard Worker * GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
51*61046927SAndroid Build Coastguard Worker */
52*61046927SAndroid Build Coastguard Worker GLenum BaseFormat;
53*61046927SAndroid Build Coastguard Worker
54*61046927SAndroid Build Coastguard Worker /**
55*61046927SAndroid Build Coastguard Worker * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALIZED,
56*61046927SAndroid Build Coastguard Worker * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
57*61046927SAndroid Build Coastguard Worker */
58*61046927SAndroid Build Coastguard Worker GLenum DataType;
59*61046927SAndroid Build Coastguard Worker
60*61046927SAndroid Build Coastguard Worker uint8_t RedBits;
61*61046927SAndroid Build Coastguard Worker uint8_t GreenBits;
62*61046927SAndroid Build Coastguard Worker uint8_t BlueBits;
63*61046927SAndroid Build Coastguard Worker uint8_t AlphaBits;
64*61046927SAndroid Build Coastguard Worker uint8_t LuminanceBits;
65*61046927SAndroid Build Coastguard Worker uint8_t IntensityBits;
66*61046927SAndroid Build Coastguard Worker uint8_t DepthBits;
67*61046927SAndroid Build Coastguard Worker uint8_t StencilBits;
68*61046927SAndroid Build Coastguard Worker
69*61046927SAndroid Build Coastguard Worker bool IsSRGBFormat;
70*61046927SAndroid Build Coastguard Worker
71*61046927SAndroid Build Coastguard Worker /**
72*61046927SAndroid Build Coastguard Worker * To describe compressed formats. If not compressed, Width=Height=Depth=1.
73*61046927SAndroid Build Coastguard Worker */
74*61046927SAndroid Build Coastguard Worker uint8_t BlockWidth, BlockHeight, BlockDepth;
75*61046927SAndroid Build Coastguard Worker uint8_t BytesPerBlock;
76*61046927SAndroid Build Coastguard Worker
77*61046927SAndroid Build Coastguard Worker uint8_t Swizzle[4];
78*61046927SAndroid Build Coastguard Worker mesa_array_format ArrayFormat;
79*61046927SAndroid Build Coastguard Worker };
80*61046927SAndroid Build Coastguard Worker
81*61046927SAndroid Build Coastguard Worker #include "format_info.h"
82*61046927SAndroid Build Coastguard Worker
83*61046927SAndroid Build Coastguard Worker static const struct mesa_format_info *
_mesa_get_format_info(mesa_format format)84*61046927SAndroid Build Coastguard Worker _mesa_get_format_info(mesa_format format)
85*61046927SAndroid Build Coastguard Worker {
86*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = &format_info[format];
87*61046927SAndroid Build Coastguard Worker STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
88*61046927SAndroid Build Coastguard Worker
89*61046927SAndroid Build Coastguard Worker /* The MESA_FORMAT_* enums are sparse, don't return a format info
90*61046927SAndroid Build Coastguard Worker * for empty entries.
91*61046927SAndroid Build Coastguard Worker */
92*61046927SAndroid Build Coastguard Worker if (info->Name == MESA_FORMAT_NONE && format != MESA_FORMAT_NONE)
93*61046927SAndroid Build Coastguard Worker return NULL;
94*61046927SAndroid Build Coastguard Worker
95*61046927SAndroid Build Coastguard Worker assert(info->Name == format);
96*61046927SAndroid Build Coastguard Worker return info;
97*61046927SAndroid Build Coastguard Worker }
98*61046927SAndroid Build Coastguard Worker
99*61046927SAndroid Build Coastguard Worker
100*61046927SAndroid Build Coastguard Worker /** Return string name of format (for debugging) */
101*61046927SAndroid Build Coastguard Worker const char *
_mesa_get_format_name(mesa_format format)102*61046927SAndroid Build Coastguard Worker _mesa_get_format_name(mesa_format format)
103*61046927SAndroid Build Coastguard Worker {
104*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
105*61046927SAndroid Build Coastguard Worker if (!info)
106*61046927SAndroid Build Coastguard Worker return NULL;
107*61046927SAndroid Build Coastguard Worker return info->StrName;
108*61046927SAndroid Build Coastguard Worker }
109*61046927SAndroid Build Coastguard Worker
110*61046927SAndroid Build Coastguard Worker
111*61046927SAndroid Build Coastguard Worker
112*61046927SAndroid Build Coastguard Worker /**
113*61046927SAndroid Build Coastguard Worker * Return bytes needed to store a block of pixels in the given format.
114*61046927SAndroid Build Coastguard Worker * Normally, a block is 1x1 (a single pixel). But for compressed formats
115*61046927SAndroid Build Coastguard Worker * a block may be 4x4 or 8x4, etc.
116*61046927SAndroid Build Coastguard Worker *
117*61046927SAndroid Build Coastguard Worker * Note: return is signed, so as not to coerce math to unsigned. cf. fdo #37351
118*61046927SAndroid Build Coastguard Worker */
119*61046927SAndroid Build Coastguard Worker int
_mesa_get_format_bytes(mesa_format format)120*61046927SAndroid Build Coastguard Worker _mesa_get_format_bytes(mesa_format format)
121*61046927SAndroid Build Coastguard Worker {
122*61046927SAndroid Build Coastguard Worker if (_mesa_format_is_mesa_array_format(format)) {
123*61046927SAndroid Build Coastguard Worker return _mesa_array_format_get_type_size(format) *
124*61046927SAndroid Build Coastguard Worker _mesa_array_format_get_num_channels(format);
125*61046927SAndroid Build Coastguard Worker }
126*61046927SAndroid Build Coastguard Worker
127*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
128*61046927SAndroid Build Coastguard Worker assert(info->BytesPerBlock);
129*61046927SAndroid Build Coastguard Worker assert(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
130*61046927SAndroid Build Coastguard Worker _mesa_is_format_compressed(format));
131*61046927SAndroid Build Coastguard Worker return info->BytesPerBlock;
132*61046927SAndroid Build Coastguard Worker }
133*61046927SAndroid Build Coastguard Worker
134*61046927SAndroid Build Coastguard Worker
135*61046927SAndroid Build Coastguard Worker /**
136*61046927SAndroid Build Coastguard Worker * Return bits per component for the given format.
137*61046927SAndroid Build Coastguard Worker * \param format one of MESA_FORMAT_x
138*61046927SAndroid Build Coastguard Worker * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
139*61046927SAndroid Build Coastguard Worker */
140*61046927SAndroid Build Coastguard Worker GLint
_mesa_get_format_bits(mesa_format format,GLenum pname)141*61046927SAndroid Build Coastguard Worker _mesa_get_format_bits(mesa_format format, GLenum pname)
142*61046927SAndroid Build Coastguard Worker {
143*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
144*61046927SAndroid Build Coastguard Worker
145*61046927SAndroid Build Coastguard Worker switch (pname) {
146*61046927SAndroid Build Coastguard Worker case GL_RED_BITS:
147*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_RED_SIZE:
148*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_RED_SIZE:
149*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
150*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_RED_SIZE:
151*61046927SAndroid Build Coastguard Worker return info->RedBits;
152*61046927SAndroid Build Coastguard Worker case GL_GREEN_BITS:
153*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_GREEN_SIZE:
154*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_GREEN_SIZE:
155*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
156*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_GREEN_SIZE:
157*61046927SAndroid Build Coastguard Worker return info->GreenBits;
158*61046927SAndroid Build Coastguard Worker case GL_BLUE_BITS:
159*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_BLUE_SIZE:
160*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_BLUE_SIZE:
161*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
162*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_BLUE_SIZE:
163*61046927SAndroid Build Coastguard Worker return info->BlueBits;
164*61046927SAndroid Build Coastguard Worker case GL_ALPHA_BITS:
165*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_ALPHA_SIZE:
166*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_ALPHA_SIZE:
167*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
168*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_ALPHA_SIZE:
169*61046927SAndroid Build Coastguard Worker return info->AlphaBits;
170*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_INTENSITY_SIZE:
171*61046927SAndroid Build Coastguard Worker return info->IntensityBits;
172*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_LUMINANCE_SIZE:
173*61046927SAndroid Build Coastguard Worker return info->LuminanceBits;
174*61046927SAndroid Build Coastguard Worker case GL_INDEX_BITS:
175*61046927SAndroid Build Coastguard Worker return 0;
176*61046927SAndroid Build Coastguard Worker case GL_DEPTH_BITS:
177*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_DEPTH_SIZE:
178*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_DEPTH_SIZE:
179*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
180*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_DEPTH_SIZE:
181*61046927SAndroid Build Coastguard Worker return info->DepthBits;
182*61046927SAndroid Build Coastguard Worker case GL_STENCIL_BITS:
183*61046927SAndroid Build Coastguard Worker case GL_TEXTURE_STENCIL_SIZE:
184*61046927SAndroid Build Coastguard Worker case GL_RENDERBUFFER_STENCIL_SIZE:
185*61046927SAndroid Build Coastguard Worker case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
186*61046927SAndroid Build Coastguard Worker case GL_INTERNALFORMAT_STENCIL_SIZE:
187*61046927SAndroid Build Coastguard Worker return info->StencilBits;
188*61046927SAndroid Build Coastguard Worker default:
189*61046927SAndroid Build Coastguard Worker _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
190*61046927SAndroid Build Coastguard Worker return 0;
191*61046927SAndroid Build Coastguard Worker }
192*61046927SAndroid Build Coastguard Worker }
193*61046927SAndroid Build Coastguard Worker
194*61046927SAndroid Build Coastguard Worker
195*61046927SAndroid Build Coastguard Worker unsigned int
_mesa_get_format_max_bits(mesa_format format)196*61046927SAndroid Build Coastguard Worker _mesa_get_format_max_bits(mesa_format format)
197*61046927SAndroid Build Coastguard Worker {
198*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
199*61046927SAndroid Build Coastguard Worker unsigned int max = MAX2(info->RedBits, info->GreenBits);
200*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->BlueBits);
201*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->AlphaBits);
202*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->LuminanceBits);
203*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->IntensityBits);
204*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->DepthBits);
205*61046927SAndroid Build Coastguard Worker max = MAX2(max, info->StencilBits);
206*61046927SAndroid Build Coastguard Worker return max;
207*61046927SAndroid Build Coastguard Worker }
208*61046927SAndroid Build Coastguard Worker
209*61046927SAndroid Build Coastguard Worker
210*61046927SAndroid Build Coastguard Worker /**
211*61046927SAndroid Build Coastguard Worker * Return the layout type of the given format.
212*61046927SAndroid Build Coastguard Worker */
213*61046927SAndroid Build Coastguard Worker extern enum mesa_format_layout
_mesa_get_format_layout(mesa_format format)214*61046927SAndroid Build Coastguard Worker _mesa_get_format_layout(mesa_format format)
215*61046927SAndroid Build Coastguard Worker {
216*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
217*61046927SAndroid Build Coastguard Worker return info->Layout;
218*61046927SAndroid Build Coastguard Worker }
219*61046927SAndroid Build Coastguard Worker
220*61046927SAndroid Build Coastguard Worker
221*61046927SAndroid Build Coastguard Worker /**
222*61046927SAndroid Build Coastguard Worker * Return the data type (or more specifically, the data representation)
223*61046927SAndroid Build Coastguard Worker * for the given format.
224*61046927SAndroid Build Coastguard Worker * The return value will be one of:
225*61046927SAndroid Build Coastguard Worker * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
226*61046927SAndroid Build Coastguard Worker * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
227*61046927SAndroid Build Coastguard Worker * GL_UNSIGNED_INT = an ordinary unsigned integer
228*61046927SAndroid Build Coastguard Worker * GL_INT = an ordinary signed integer
229*61046927SAndroid Build Coastguard Worker * GL_FLOAT = an ordinary float
230*61046927SAndroid Build Coastguard Worker */
231*61046927SAndroid Build Coastguard Worker GLenum
_mesa_get_format_datatype(mesa_format format)232*61046927SAndroid Build Coastguard Worker _mesa_get_format_datatype(mesa_format format)
233*61046927SAndroid Build Coastguard Worker {
234*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
235*61046927SAndroid Build Coastguard Worker return info->DataType;
236*61046927SAndroid Build Coastguard Worker }
237*61046927SAndroid Build Coastguard Worker
238*61046927SAndroid Build Coastguard Worker static GLenum
get_base_format_for_array_format(mesa_array_format format)239*61046927SAndroid Build Coastguard Worker get_base_format_for_array_format(mesa_array_format format)
240*61046927SAndroid Build Coastguard Worker {
241*61046927SAndroid Build Coastguard Worker uint8_t swizzle[4];
242*61046927SAndroid Build Coastguard Worker int num_channels;
243*61046927SAndroid Build Coastguard Worker
244*61046927SAndroid Build Coastguard Worker switch (_mesa_array_format_get_base_format(format)) {
245*61046927SAndroid Build Coastguard Worker case MESA_ARRAY_FORMAT_BASE_FORMAT_DEPTH:
246*61046927SAndroid Build Coastguard Worker return GL_DEPTH_COMPONENT;
247*61046927SAndroid Build Coastguard Worker case MESA_ARRAY_FORMAT_BASE_FORMAT_STENCIL:
248*61046927SAndroid Build Coastguard Worker return GL_STENCIL_INDEX;
249*61046927SAndroid Build Coastguard Worker case MESA_ARRAY_FORMAT_BASE_FORMAT_RGBA_VARIANTS:
250*61046927SAndroid Build Coastguard Worker break;
251*61046927SAndroid Build Coastguard Worker }
252*61046927SAndroid Build Coastguard Worker
253*61046927SAndroid Build Coastguard Worker _mesa_array_format_get_swizzle(format, swizzle);
254*61046927SAndroid Build Coastguard Worker num_channels = _mesa_array_format_get_num_channels(format);
255*61046927SAndroid Build Coastguard Worker
256*61046927SAndroid Build Coastguard Worker switch (num_channels) {
257*61046927SAndroid Build Coastguard Worker case 4:
258*61046927SAndroid Build Coastguard Worker /* FIXME: RGBX formats have 4 channels, but their base format is GL_RGB.
259*61046927SAndroid Build Coastguard Worker * This is not really a problem for now because we only create array
260*61046927SAndroid Build Coastguard Worker * formats from GL format/type combinations, and these cannot specify
261*61046927SAndroid Build Coastguard Worker * RGBX formats.
262*61046927SAndroid Build Coastguard Worker */
263*61046927SAndroid Build Coastguard Worker return GL_RGBA;
264*61046927SAndroid Build Coastguard Worker case 3:
265*61046927SAndroid Build Coastguard Worker return GL_RGB;
266*61046927SAndroid Build Coastguard Worker case 2:
267*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 0 &&
268*61046927SAndroid Build Coastguard Worker swizzle[1] == 0 &&
269*61046927SAndroid Build Coastguard Worker swizzle[2] == 0 &&
270*61046927SAndroid Build Coastguard Worker swizzle[3] == 1)
271*61046927SAndroid Build Coastguard Worker return GL_LUMINANCE_ALPHA;
272*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 1 &&
273*61046927SAndroid Build Coastguard Worker swizzle[1] == 1 &&
274*61046927SAndroid Build Coastguard Worker swizzle[2] == 1 &&
275*61046927SAndroid Build Coastguard Worker swizzle[3] == 0)
276*61046927SAndroid Build Coastguard Worker return GL_LUMINANCE_ALPHA;
277*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 0 &&
278*61046927SAndroid Build Coastguard Worker swizzle[1] == 1 &&
279*61046927SAndroid Build Coastguard Worker swizzle[2] == 4 &&
280*61046927SAndroid Build Coastguard Worker swizzle[3] == 5)
281*61046927SAndroid Build Coastguard Worker return GL_RG;
282*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 1 &&
283*61046927SAndroid Build Coastguard Worker swizzle[1] == 0 &&
284*61046927SAndroid Build Coastguard Worker swizzle[2] == 4 &&
285*61046927SAndroid Build Coastguard Worker swizzle[3] == 5)
286*61046927SAndroid Build Coastguard Worker return GL_RG;
287*61046927SAndroid Build Coastguard Worker break;
288*61046927SAndroid Build Coastguard Worker case 1:
289*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 0 &&
290*61046927SAndroid Build Coastguard Worker swizzle[1] == 0 &&
291*61046927SAndroid Build Coastguard Worker swizzle[2] == 0 &&
292*61046927SAndroid Build Coastguard Worker swizzle[3] == 5)
293*61046927SAndroid Build Coastguard Worker return GL_LUMINANCE;
294*61046927SAndroid Build Coastguard Worker if (swizzle[0] == 0 &&
295*61046927SAndroid Build Coastguard Worker swizzle[1] == 0 &&
296*61046927SAndroid Build Coastguard Worker swizzle[2] == 0 &&
297*61046927SAndroid Build Coastguard Worker swizzle[3] == 0)
298*61046927SAndroid Build Coastguard Worker return GL_INTENSITY;
299*61046927SAndroid Build Coastguard Worker if (swizzle[0] <= MESA_FORMAT_SWIZZLE_W)
300*61046927SAndroid Build Coastguard Worker return GL_RED;
301*61046927SAndroid Build Coastguard Worker if (swizzle[1] <= MESA_FORMAT_SWIZZLE_W)
302*61046927SAndroid Build Coastguard Worker return GL_GREEN;
303*61046927SAndroid Build Coastguard Worker if (swizzle[2] <= MESA_FORMAT_SWIZZLE_W)
304*61046927SAndroid Build Coastguard Worker return GL_BLUE;
305*61046927SAndroid Build Coastguard Worker if (swizzle[3] <= MESA_FORMAT_SWIZZLE_W)
306*61046927SAndroid Build Coastguard Worker return GL_ALPHA;
307*61046927SAndroid Build Coastguard Worker break;
308*61046927SAndroid Build Coastguard Worker }
309*61046927SAndroid Build Coastguard Worker
310*61046927SAndroid Build Coastguard Worker unreachable("Unsupported format");
311*61046927SAndroid Build Coastguard Worker }
312*61046927SAndroid Build Coastguard Worker
313*61046927SAndroid Build Coastguard Worker /**
314*61046927SAndroid Build Coastguard Worker * Return the basic format for the given type. The result will be one of
315*61046927SAndroid Build Coastguard Worker * GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
316*61046927SAndroid Build Coastguard Worker * GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
317*61046927SAndroid Build Coastguard Worker * This functions accepts a mesa_format or a mesa_array_format.
318*61046927SAndroid Build Coastguard Worker */
319*61046927SAndroid Build Coastguard Worker GLenum
_mesa_get_format_base_format(uint32_t format)320*61046927SAndroid Build Coastguard Worker _mesa_get_format_base_format(uint32_t format)
321*61046927SAndroid Build Coastguard Worker {
322*61046927SAndroid Build Coastguard Worker if (!_mesa_format_is_mesa_array_format(format)) {
323*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
324*61046927SAndroid Build Coastguard Worker return info->BaseFormat;
325*61046927SAndroid Build Coastguard Worker } else {
326*61046927SAndroid Build Coastguard Worker return get_base_format_for_array_format(format);
327*61046927SAndroid Build Coastguard Worker }
328*61046927SAndroid Build Coastguard Worker }
329*61046927SAndroid Build Coastguard Worker
330*61046927SAndroid Build Coastguard Worker
331*61046927SAndroid Build Coastguard Worker /**
332*61046927SAndroid Build Coastguard Worker * Return the block size (in pixels) for the given format. Normally
333*61046927SAndroid Build Coastguard Worker * the block size is 1x1. But compressed formats will have block sizes
334*61046927SAndroid Build Coastguard Worker * of 4x4 or 8x4 pixels, etc.
335*61046927SAndroid Build Coastguard Worker * \param bw returns block width in pixels
336*61046927SAndroid Build Coastguard Worker * \param bh returns block height in pixels
337*61046927SAndroid Build Coastguard Worker */
338*61046927SAndroid Build Coastguard Worker void
_mesa_get_format_block_size(mesa_format format,unsigned int * bw,unsigned int * bh)339*61046927SAndroid Build Coastguard Worker _mesa_get_format_block_size(mesa_format format,
340*61046927SAndroid Build Coastguard Worker unsigned int *bw, unsigned int *bh)
341*61046927SAndroid Build Coastguard Worker {
342*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
343*61046927SAndroid Build Coastguard Worker /* Use _mesa_get_format_block_size_3d() for 3D blocks. */
344*61046927SAndroid Build Coastguard Worker assert(info->BlockDepth == 1);
345*61046927SAndroid Build Coastguard Worker
346*61046927SAndroid Build Coastguard Worker *bw = info->BlockWidth;
347*61046927SAndroid Build Coastguard Worker *bh = info->BlockHeight;
348*61046927SAndroid Build Coastguard Worker }
349*61046927SAndroid Build Coastguard Worker
350*61046927SAndroid Build Coastguard Worker
351*61046927SAndroid Build Coastguard Worker /**
352*61046927SAndroid Build Coastguard Worker * Return the block size (in pixels) for the given format. Normally
353*61046927SAndroid Build Coastguard Worker * the block size is 1x1x1. But compressed formats will have block
354*61046927SAndroid Build Coastguard Worker * sizes of 4x4x4, 3x3x3 pixels, etc.
355*61046927SAndroid Build Coastguard Worker * \param bw returns block width in pixels
356*61046927SAndroid Build Coastguard Worker * \param bh returns block height in pixels
357*61046927SAndroid Build Coastguard Worker * \param bd returns block depth in pixels
358*61046927SAndroid Build Coastguard Worker */
359*61046927SAndroid Build Coastguard Worker void
_mesa_get_format_block_size_3d(mesa_format format,unsigned int * bw,unsigned int * bh,unsigned int * bd)360*61046927SAndroid Build Coastguard Worker _mesa_get_format_block_size_3d(mesa_format format,
361*61046927SAndroid Build Coastguard Worker unsigned int *bw,
362*61046927SAndroid Build Coastguard Worker unsigned int *bh,
363*61046927SAndroid Build Coastguard Worker unsigned int *bd)
364*61046927SAndroid Build Coastguard Worker {
365*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
366*61046927SAndroid Build Coastguard Worker *bw = info->BlockWidth;
367*61046927SAndroid Build Coastguard Worker *bh = info->BlockHeight;
368*61046927SAndroid Build Coastguard Worker *bd = info->BlockDepth;
369*61046927SAndroid Build Coastguard Worker }
370*61046927SAndroid Build Coastguard Worker
371*61046927SAndroid Build Coastguard Worker
372*61046927SAndroid Build Coastguard Worker /**
373*61046927SAndroid Build Coastguard Worker * Returns the an array of four numbers representing the transformation
374*61046927SAndroid Build Coastguard Worker * from the RGBA or SZ colorspace to the given format. For array formats,
375*61046927SAndroid Build Coastguard Worker * the i'th RGBA component is given by:
376*61046927SAndroid Build Coastguard Worker *
377*61046927SAndroid Build Coastguard Worker * if (swizzle[i] <= MESA_FORMAT_SWIZZLE_W)
378*61046927SAndroid Build Coastguard Worker * comp = data[swizzle[i]];
379*61046927SAndroid Build Coastguard Worker * else if (swizzle[i] == MESA_FORMAT_SWIZZLE_ZERO)
380*61046927SAndroid Build Coastguard Worker * comp = 0;
381*61046927SAndroid Build Coastguard Worker * else if (swizzle[i] == MESA_FORMAT_SWIZZLE_ONE)
382*61046927SAndroid Build Coastguard Worker * comp = 1;
383*61046927SAndroid Build Coastguard Worker * else if (swizzle[i] == MESA_FORMAT_SWIZZLE_NONE)
384*61046927SAndroid Build Coastguard Worker * // data does not contain a channel of this format
385*61046927SAndroid Build Coastguard Worker *
386*61046927SAndroid Build Coastguard Worker * For packed formats, the swizzle gives the number of components left of
387*61046927SAndroid Build Coastguard Worker * the least significant bit.
388*61046927SAndroid Build Coastguard Worker *
389*61046927SAndroid Build Coastguard Worker * Compressed formats have no swizzle.
390*61046927SAndroid Build Coastguard Worker */
391*61046927SAndroid Build Coastguard Worker void
_mesa_get_format_swizzle(mesa_format format,uint8_t swizzle_out[4])392*61046927SAndroid Build Coastguard Worker _mesa_get_format_swizzle(mesa_format format, uint8_t swizzle_out[4])
393*61046927SAndroid Build Coastguard Worker {
394*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
395*61046927SAndroid Build Coastguard Worker memcpy(swizzle_out, info->Swizzle, sizeof(info->Swizzle));
396*61046927SAndroid Build Coastguard Worker }
397*61046927SAndroid Build Coastguard Worker
398*61046927SAndroid Build Coastguard Worker mesa_array_format
_mesa_array_format_flip_channels(mesa_array_format format)399*61046927SAndroid Build Coastguard Worker _mesa_array_format_flip_channels(mesa_array_format format)
400*61046927SAndroid Build Coastguard Worker {
401*61046927SAndroid Build Coastguard Worker int num_channels;
402*61046927SAndroid Build Coastguard Worker uint8_t swizzle[4];
403*61046927SAndroid Build Coastguard Worker
404*61046927SAndroid Build Coastguard Worker num_channels = _mesa_array_format_get_num_channels(format);
405*61046927SAndroid Build Coastguard Worker _mesa_array_format_get_swizzle(format, swizzle);
406*61046927SAndroid Build Coastguard Worker
407*61046927SAndroid Build Coastguard Worker if (num_channels == 1 || num_channels == 3)
408*61046927SAndroid Build Coastguard Worker return format;
409*61046927SAndroid Build Coastguard Worker
410*61046927SAndroid Build Coastguard Worker if (num_channels == 2) {
411*61046927SAndroid Build Coastguard Worker /* Assert that the swizzle makes sense for 2 channels */
412*61046927SAndroid Build Coastguard Worker for (unsigned i = 0; i < 4; i++)
413*61046927SAndroid Build Coastguard Worker assert(swizzle[i] != 2 && swizzle[i] != 3);
414*61046927SAndroid Build Coastguard Worker
415*61046927SAndroid Build Coastguard Worker static const uint8_t flip_xy[7] = { 1, 0, 2, 3, 4, 5, 6 };
416*61046927SAndroid Build Coastguard Worker _mesa_array_format_set_swizzle(&format,
417*61046927SAndroid Build Coastguard Worker flip_xy[swizzle[0]], flip_xy[swizzle[1]],
418*61046927SAndroid Build Coastguard Worker flip_xy[swizzle[2]], flip_xy[swizzle[3]]);
419*61046927SAndroid Build Coastguard Worker return format;
420*61046927SAndroid Build Coastguard Worker }
421*61046927SAndroid Build Coastguard Worker
422*61046927SAndroid Build Coastguard Worker if (num_channels == 4) {
423*61046927SAndroid Build Coastguard Worker static const uint8_t flip[7] = { 3, 2, 1, 0, 4, 5, 6 };
424*61046927SAndroid Build Coastguard Worker _mesa_array_format_set_swizzle(&format,
425*61046927SAndroid Build Coastguard Worker flip[swizzle[0]], flip[swizzle[1]],
426*61046927SAndroid Build Coastguard Worker flip[swizzle[2]], flip[swizzle[3]]);
427*61046927SAndroid Build Coastguard Worker return format;
428*61046927SAndroid Build Coastguard Worker }
429*61046927SAndroid Build Coastguard Worker
430*61046927SAndroid Build Coastguard Worker unreachable("Invalid array format");
431*61046927SAndroid Build Coastguard Worker }
432*61046927SAndroid Build Coastguard Worker
433*61046927SAndroid Build Coastguard Worker static uint32_t
_mesa_format_info_to_array_format(const struct mesa_format_info * info)434*61046927SAndroid Build Coastguard Worker _mesa_format_info_to_array_format(const struct mesa_format_info *info)
435*61046927SAndroid Build Coastguard Worker {
436*61046927SAndroid Build Coastguard Worker #if UTIL_ARCH_BIG_ENDIAN
437*61046927SAndroid Build Coastguard Worker if (info->ArrayFormat && info->Layout == MESA_FORMAT_LAYOUT_PACKED)
438*61046927SAndroid Build Coastguard Worker return _mesa_array_format_flip_channels(info->ArrayFormat);
439*61046927SAndroid Build Coastguard Worker else
440*61046927SAndroid Build Coastguard Worker #endif
441*61046927SAndroid Build Coastguard Worker return info->ArrayFormat;
442*61046927SAndroid Build Coastguard Worker }
443*61046927SAndroid Build Coastguard Worker
444*61046927SAndroid Build Coastguard Worker uint32_t
_mesa_format_to_array_format(mesa_format format)445*61046927SAndroid Build Coastguard Worker _mesa_format_to_array_format(mesa_format format)
446*61046927SAndroid Build Coastguard Worker {
447*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
448*61046927SAndroid Build Coastguard Worker return _mesa_format_info_to_array_format(info);
449*61046927SAndroid Build Coastguard Worker }
450*61046927SAndroid Build Coastguard Worker
451*61046927SAndroid Build Coastguard Worker static struct hash_table *format_array_format_table;
452*61046927SAndroid Build Coastguard Worker static once_flag format_array_format_table_exists = ONCE_FLAG_INIT;
453*61046927SAndroid Build Coastguard Worker
454*61046927SAndroid Build Coastguard Worker static void
format_array_format_table_destroy(void)455*61046927SAndroid Build Coastguard Worker format_array_format_table_destroy(void)
456*61046927SAndroid Build Coastguard Worker {
457*61046927SAndroid Build Coastguard Worker _mesa_hash_table_destroy(format_array_format_table, NULL);
458*61046927SAndroid Build Coastguard Worker }
459*61046927SAndroid Build Coastguard Worker
460*61046927SAndroid Build Coastguard Worker static bool
array_formats_equal(const void * a,const void * b)461*61046927SAndroid Build Coastguard Worker array_formats_equal(const void *a, const void *b)
462*61046927SAndroid Build Coastguard Worker {
463*61046927SAndroid Build Coastguard Worker return (intptr_t)a == (intptr_t)b;
464*61046927SAndroid Build Coastguard Worker }
465*61046927SAndroid Build Coastguard Worker
466*61046927SAndroid Build Coastguard Worker static void
format_array_format_table_init(void)467*61046927SAndroid Build Coastguard Worker format_array_format_table_init(void)
468*61046927SAndroid Build Coastguard Worker {
469*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info;
470*61046927SAndroid Build Coastguard Worker mesa_array_format array_format;
471*61046927SAndroid Build Coastguard Worker unsigned f;
472*61046927SAndroid Build Coastguard Worker
473*61046927SAndroid Build Coastguard Worker format_array_format_table = _mesa_hash_table_create(NULL, NULL,
474*61046927SAndroid Build Coastguard Worker array_formats_equal);
475*61046927SAndroid Build Coastguard Worker
476*61046927SAndroid Build Coastguard Worker if (!format_array_format_table) {
477*61046927SAndroid Build Coastguard Worker _mesa_error_no_memory(__func__);
478*61046927SAndroid Build Coastguard Worker return;
479*61046927SAndroid Build Coastguard Worker }
480*61046927SAndroid Build Coastguard Worker
481*61046927SAndroid Build Coastguard Worker for (f = 1; f < MESA_FORMAT_COUNT; ++f) {
482*61046927SAndroid Build Coastguard Worker info = _mesa_get_format_info(f);
483*61046927SAndroid Build Coastguard Worker if (!info || !info->ArrayFormat)
484*61046927SAndroid Build Coastguard Worker continue;
485*61046927SAndroid Build Coastguard Worker
486*61046927SAndroid Build Coastguard Worker /* All sRGB formats should have an equivalent UNORM format, and that's
487*61046927SAndroid Build Coastguard Worker * the one we want in the table.
488*61046927SAndroid Build Coastguard Worker */
489*61046927SAndroid Build Coastguard Worker if (_mesa_is_format_srgb(f))
490*61046927SAndroid Build Coastguard Worker continue;
491*61046927SAndroid Build Coastguard Worker
492*61046927SAndroid Build Coastguard Worker array_format = _mesa_format_info_to_array_format(info);
493*61046927SAndroid Build Coastguard Worker _mesa_hash_table_insert_pre_hashed(format_array_format_table,
494*61046927SAndroid Build Coastguard Worker array_format,
495*61046927SAndroid Build Coastguard Worker (void *)(intptr_t)array_format,
496*61046927SAndroid Build Coastguard Worker (void *)(intptr_t)f);
497*61046927SAndroid Build Coastguard Worker }
498*61046927SAndroid Build Coastguard Worker
499*61046927SAndroid Build Coastguard Worker atexit(format_array_format_table_destroy);
500*61046927SAndroid Build Coastguard Worker }
501*61046927SAndroid Build Coastguard Worker
502*61046927SAndroid Build Coastguard Worker mesa_format
_mesa_format_from_array_format(uint32_t array_format)503*61046927SAndroid Build Coastguard Worker _mesa_format_from_array_format(uint32_t array_format)
504*61046927SAndroid Build Coastguard Worker {
505*61046927SAndroid Build Coastguard Worker struct hash_entry *entry;
506*61046927SAndroid Build Coastguard Worker
507*61046927SAndroid Build Coastguard Worker assert(_mesa_format_is_mesa_array_format(array_format));
508*61046927SAndroid Build Coastguard Worker
509*61046927SAndroid Build Coastguard Worker call_once(&format_array_format_table_exists, format_array_format_table_init);
510*61046927SAndroid Build Coastguard Worker
511*61046927SAndroid Build Coastguard Worker if (!format_array_format_table) {
512*61046927SAndroid Build Coastguard Worker static const once_flag once_flag_init = ONCE_FLAG_INIT;
513*61046927SAndroid Build Coastguard Worker format_array_format_table_exists = once_flag_init;
514*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_NONE;
515*61046927SAndroid Build Coastguard Worker }
516*61046927SAndroid Build Coastguard Worker
517*61046927SAndroid Build Coastguard Worker entry = _mesa_hash_table_search_pre_hashed(format_array_format_table,
518*61046927SAndroid Build Coastguard Worker array_format,
519*61046927SAndroid Build Coastguard Worker (void *)(intptr_t)array_format);
520*61046927SAndroid Build Coastguard Worker if (entry)
521*61046927SAndroid Build Coastguard Worker return (intptr_t)entry->data;
522*61046927SAndroid Build Coastguard Worker else
523*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_NONE;
524*61046927SAndroid Build Coastguard Worker }
525*61046927SAndroid Build Coastguard Worker
526*61046927SAndroid Build Coastguard Worker /** Is the given format a compressed format? */
527*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_compressed(mesa_format format)528*61046927SAndroid Build Coastguard Worker _mesa_is_format_compressed(mesa_format format)
529*61046927SAndroid Build Coastguard Worker {
530*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
531*61046927SAndroid Build Coastguard Worker return info->BlockWidth > 1 || info->BlockHeight > 1;
532*61046927SAndroid Build Coastguard Worker }
533*61046927SAndroid Build Coastguard Worker
534*61046927SAndroid Build Coastguard Worker
535*61046927SAndroid Build Coastguard Worker /**
536*61046927SAndroid Build Coastguard Worker * Determine if the given format represents a packed depth/stencil buffer.
537*61046927SAndroid Build Coastguard Worker */
538*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_packed_depth_stencil(mesa_format format)539*61046927SAndroid Build Coastguard Worker _mesa_is_format_packed_depth_stencil(mesa_format format)
540*61046927SAndroid Build Coastguard Worker {
541*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
542*61046927SAndroid Build Coastguard Worker
543*61046927SAndroid Build Coastguard Worker return info->BaseFormat == GL_DEPTH_STENCIL;
544*61046927SAndroid Build Coastguard Worker }
545*61046927SAndroid Build Coastguard Worker
546*61046927SAndroid Build Coastguard Worker
547*61046927SAndroid Build Coastguard Worker /**
548*61046927SAndroid Build Coastguard Worker * Is the given format a signed/unsigned integer color format?
549*61046927SAndroid Build Coastguard Worker */
550*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_integer_color(mesa_format format)551*61046927SAndroid Build Coastguard Worker _mesa_is_format_integer_color(mesa_format format)
552*61046927SAndroid Build Coastguard Worker {
553*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
554*61046927SAndroid Build Coastguard Worker return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
555*61046927SAndroid Build Coastguard Worker info->BaseFormat != GL_DEPTH_COMPONENT &&
556*61046927SAndroid Build Coastguard Worker info->BaseFormat != GL_DEPTH_STENCIL &&
557*61046927SAndroid Build Coastguard Worker info->BaseFormat != GL_STENCIL_INDEX;
558*61046927SAndroid Build Coastguard Worker }
559*61046927SAndroid Build Coastguard Worker
560*61046927SAndroid Build Coastguard Worker
561*61046927SAndroid Build Coastguard Worker /**
562*61046927SAndroid Build Coastguard Worker * Is the given format an unsigned integer format?
563*61046927SAndroid Build Coastguard Worker */
564*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_unsigned(mesa_format format)565*61046927SAndroid Build Coastguard Worker _mesa_is_format_unsigned(mesa_format format)
566*61046927SAndroid Build Coastguard Worker {
567*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
568*61046927SAndroid Build Coastguard Worker return _mesa_is_type_unsigned(info->DataType);
569*61046927SAndroid Build Coastguard Worker }
570*61046927SAndroid Build Coastguard Worker
571*61046927SAndroid Build Coastguard Worker
572*61046927SAndroid Build Coastguard Worker /**
573*61046927SAndroid Build Coastguard Worker * Does the given format store signed values?
574*61046927SAndroid Build Coastguard Worker */
575*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_signed(mesa_format format)576*61046927SAndroid Build Coastguard Worker _mesa_is_format_signed(mesa_format format)
577*61046927SAndroid Build Coastguard Worker {
578*61046927SAndroid Build Coastguard Worker if (format == MESA_FORMAT_R11G11B10_FLOAT ||
579*61046927SAndroid Build Coastguard Worker format == MESA_FORMAT_R9G9B9E5_FLOAT) {
580*61046927SAndroid Build Coastguard Worker /* these packed float formats only store unsigned values */
581*61046927SAndroid Build Coastguard Worker return false;
582*61046927SAndroid Build Coastguard Worker }
583*61046927SAndroid Build Coastguard Worker else {
584*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
585*61046927SAndroid Build Coastguard Worker return (info->DataType == GL_SIGNED_NORMALIZED ||
586*61046927SAndroid Build Coastguard Worker info->DataType == GL_INT ||
587*61046927SAndroid Build Coastguard Worker info->DataType == GL_FLOAT);
588*61046927SAndroid Build Coastguard Worker }
589*61046927SAndroid Build Coastguard Worker }
590*61046927SAndroid Build Coastguard Worker
591*61046927SAndroid Build Coastguard Worker /**
592*61046927SAndroid Build Coastguard Worker * Is the given format an integer format?
593*61046927SAndroid Build Coastguard Worker */
594*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_integer(mesa_format format)595*61046927SAndroid Build Coastguard Worker _mesa_is_format_integer(mesa_format format)
596*61046927SAndroid Build Coastguard Worker {
597*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
598*61046927SAndroid Build Coastguard Worker return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT);
599*61046927SAndroid Build Coastguard Worker }
600*61046927SAndroid Build Coastguard Worker
601*61046927SAndroid Build Coastguard Worker
602*61046927SAndroid Build Coastguard Worker /**
603*61046927SAndroid Build Coastguard Worker * Return true if the given format is a color format.
604*61046927SAndroid Build Coastguard Worker */
605*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_color_format(mesa_format format)606*61046927SAndroid Build Coastguard Worker _mesa_is_format_color_format(mesa_format format)
607*61046927SAndroid Build Coastguard Worker {
608*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
609*61046927SAndroid Build Coastguard Worker switch (info->BaseFormat) {
610*61046927SAndroid Build Coastguard Worker case GL_DEPTH_COMPONENT:
611*61046927SAndroid Build Coastguard Worker case GL_STENCIL_INDEX:
612*61046927SAndroid Build Coastguard Worker case GL_DEPTH_STENCIL:
613*61046927SAndroid Build Coastguard Worker return false;
614*61046927SAndroid Build Coastguard Worker default:
615*61046927SAndroid Build Coastguard Worker return true;
616*61046927SAndroid Build Coastguard Worker }
617*61046927SAndroid Build Coastguard Worker }
618*61046927SAndroid Build Coastguard Worker
619*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_srgb(mesa_format format)620*61046927SAndroid Build Coastguard Worker _mesa_is_format_srgb(mesa_format format)
621*61046927SAndroid Build Coastguard Worker {
622*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
623*61046927SAndroid Build Coastguard Worker return info->IsSRGBFormat;
624*61046927SAndroid Build Coastguard Worker }
625*61046927SAndroid Build Coastguard Worker
626*61046927SAndroid Build Coastguard Worker /**
627*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an ETC2 compressed format specified
628*61046927SAndroid Build Coastguard Worker * by GL_ARB_ES3_compatibility.
629*61046927SAndroid Build Coastguard Worker */
630*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_etc2(mesa_format format)631*61046927SAndroid Build Coastguard Worker _mesa_is_format_etc2(mesa_format format)
632*61046927SAndroid Build Coastguard Worker {
633*61046927SAndroid Build Coastguard Worker return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_ETC2;
634*61046927SAndroid Build Coastguard Worker }
635*61046927SAndroid Build Coastguard Worker
636*61046927SAndroid Build Coastguard Worker
637*61046927SAndroid Build Coastguard Worker /**
638*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an ASTC 2D compressed format.
639*61046927SAndroid Build Coastguard Worker */
640*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_astc_2d(mesa_format format)641*61046927SAndroid Build Coastguard Worker _mesa_is_format_astc_2d(mesa_format format)
642*61046927SAndroid Build Coastguard Worker {
643*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
644*61046927SAndroid Build Coastguard Worker return info->Layout == MESA_FORMAT_LAYOUT_ASTC && info->BlockDepth == 1;
645*61046927SAndroid Build Coastguard Worker }
646*61046927SAndroid Build Coastguard Worker
647*61046927SAndroid Build Coastguard Worker
648*61046927SAndroid Build Coastguard Worker /**
649*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an S3TC compressed format.
650*61046927SAndroid Build Coastguard Worker */
651*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_s3tc(mesa_format format)652*61046927SAndroid Build Coastguard Worker _mesa_is_format_s3tc(mesa_format format)
653*61046927SAndroid Build Coastguard Worker {
654*61046927SAndroid Build Coastguard Worker return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_S3TC;
655*61046927SAndroid Build Coastguard Worker }
656*61046927SAndroid Build Coastguard Worker
657*61046927SAndroid Build Coastguard Worker
658*61046927SAndroid Build Coastguard Worker /**
659*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an RGTC compressed format.
660*61046927SAndroid Build Coastguard Worker */
661*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_rgtc(mesa_format format)662*61046927SAndroid Build Coastguard Worker _mesa_is_format_rgtc(mesa_format format)
663*61046927SAndroid Build Coastguard Worker {
664*61046927SAndroid Build Coastguard Worker return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_RGTC;
665*61046927SAndroid Build Coastguard Worker }
666*61046927SAndroid Build Coastguard Worker
667*61046927SAndroid Build Coastguard Worker
668*61046927SAndroid Build Coastguard Worker /**
669*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an LATC compressed format.
670*61046927SAndroid Build Coastguard Worker */
671*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_latc(mesa_format format)672*61046927SAndroid Build Coastguard Worker _mesa_is_format_latc(mesa_format format)
673*61046927SAndroid Build Coastguard Worker {
674*61046927SAndroid Build Coastguard Worker return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_LATC;
675*61046927SAndroid Build Coastguard Worker }
676*61046927SAndroid Build Coastguard Worker
677*61046927SAndroid Build Coastguard Worker
678*61046927SAndroid Build Coastguard Worker /**
679*61046927SAndroid Build Coastguard Worker * Return TRUE if format is an BPTC compressed format.
680*61046927SAndroid Build Coastguard Worker */
681*61046927SAndroid Build Coastguard Worker bool
_mesa_is_format_bptc(mesa_format format)682*61046927SAndroid Build Coastguard Worker _mesa_is_format_bptc(mesa_format format)
683*61046927SAndroid Build Coastguard Worker {
684*61046927SAndroid Build Coastguard Worker return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_BPTC;
685*61046927SAndroid Build Coastguard Worker }
686*61046927SAndroid Build Coastguard Worker
687*61046927SAndroid Build Coastguard Worker
688*61046927SAndroid Build Coastguard Worker /**
689*61046927SAndroid Build Coastguard Worker * If the given format is a compressed format, return a corresponding
690*61046927SAndroid Build Coastguard Worker * uncompressed format.
691*61046927SAndroid Build Coastguard Worker */
692*61046927SAndroid Build Coastguard Worker mesa_format
_mesa_get_uncompressed_format(mesa_format format)693*61046927SAndroid Build Coastguard Worker _mesa_get_uncompressed_format(mesa_format format)
694*61046927SAndroid Build Coastguard Worker {
695*61046927SAndroid Build Coastguard Worker switch (format) {
696*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_FXT1:
697*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_BGR_UNORM8;
698*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_FXT1:
699*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
700*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_DXT1:
701*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_SRGB_DXT1:
702*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_BGR_UNORM8;
703*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_DXT1:
704*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_SRGBA_DXT1:
705*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
706*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_DXT3:
707*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_SRGBA_DXT3:
708*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
709*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_DXT5:
710*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_SRGBA_DXT5:
711*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
712*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_RGTC1_UNORM:
713*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_R_UNORM8;
714*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_RGTC1_SNORM:
715*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_R_SNORM8;
716*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_RGTC2_UNORM:
717*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_RG_UNORM8;
718*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_RGTC2_SNORM:
719*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_RG_SNORM8;
720*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_LATC1_UNORM:
721*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_L_UNORM8;
722*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_LATC1_SNORM:
723*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_L_SNORM8;
724*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_LATC2_UNORM:
725*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_LA_UNORM8;
726*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_LATC2_SNORM:
727*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_LA_SNORM8;
728*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC1_RGB8:
729*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_RGB8:
730*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_SRGB8:
731*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ATC_RGB:
732*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_BGR_UNORM8;
733*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_RGBA8_EAC:
734*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
735*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
736*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
737*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ATC_RGBA_EXPLICIT:
738*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ATC_RGBA_INTERPOLATED:
739*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
740*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_R11_EAC:
741*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
742*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_R_UNORM16;
743*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_RG11_EAC:
744*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
745*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_RG_UNORM16;
746*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BPTC_RGBA_UNORM:
747*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
748*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_A8B8G8R8_UNORM;
749*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
750*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
751*61046927SAndroid Build Coastguard Worker return MESA_FORMAT_RGB_FLOAT32;
752*61046927SAndroid Build Coastguard Worker default:
753*61046927SAndroid Build Coastguard Worker assert(!_mesa_is_format_compressed(format));
754*61046927SAndroid Build Coastguard Worker return format;
755*61046927SAndroid Build Coastguard Worker }
756*61046927SAndroid Build Coastguard Worker }
757*61046927SAndroid Build Coastguard Worker
758*61046927SAndroid Build Coastguard Worker
759*61046927SAndroid Build Coastguard Worker unsigned int
_mesa_format_num_components(mesa_format format)760*61046927SAndroid Build Coastguard Worker _mesa_format_num_components(mesa_format format)
761*61046927SAndroid Build Coastguard Worker {
762*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
763*61046927SAndroid Build Coastguard Worker return ((info->RedBits > 0) +
764*61046927SAndroid Build Coastguard Worker (info->GreenBits > 0) +
765*61046927SAndroid Build Coastguard Worker (info->BlueBits > 0) +
766*61046927SAndroid Build Coastguard Worker (info->AlphaBits > 0) +
767*61046927SAndroid Build Coastguard Worker (info->LuminanceBits > 0) +
768*61046927SAndroid Build Coastguard Worker (info->IntensityBits > 0) +
769*61046927SAndroid Build Coastguard Worker (info->DepthBits > 0) +
770*61046927SAndroid Build Coastguard Worker (info->StencilBits > 0));
771*61046927SAndroid Build Coastguard Worker }
772*61046927SAndroid Build Coastguard Worker
773*61046927SAndroid Build Coastguard Worker
774*61046927SAndroid Build Coastguard Worker /**
775*61046927SAndroid Build Coastguard Worker * Returns true if a color format has data stored in the R/G/B/A channels,
776*61046927SAndroid Build Coastguard Worker * given an index from 0 to 3.
777*61046927SAndroid Build Coastguard Worker */
778*61046927SAndroid Build Coastguard Worker bool
_mesa_format_has_color_component(mesa_format format,int component)779*61046927SAndroid Build Coastguard Worker _mesa_format_has_color_component(mesa_format format, int component)
780*61046927SAndroid Build Coastguard Worker {
781*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
782*61046927SAndroid Build Coastguard Worker
783*61046927SAndroid Build Coastguard Worker assert(info->BaseFormat != GL_DEPTH_COMPONENT &&
784*61046927SAndroid Build Coastguard Worker info->BaseFormat != GL_DEPTH_STENCIL &&
785*61046927SAndroid Build Coastguard Worker info->BaseFormat != GL_STENCIL_INDEX);
786*61046927SAndroid Build Coastguard Worker
787*61046927SAndroid Build Coastguard Worker switch (component) {
788*61046927SAndroid Build Coastguard Worker case 0:
789*61046927SAndroid Build Coastguard Worker return (info->RedBits + info->IntensityBits + info->LuminanceBits) > 0;
790*61046927SAndroid Build Coastguard Worker case 1:
791*61046927SAndroid Build Coastguard Worker return (info->GreenBits + info->IntensityBits + info->LuminanceBits) > 0;
792*61046927SAndroid Build Coastguard Worker case 2:
793*61046927SAndroid Build Coastguard Worker return (info->BlueBits + info->IntensityBits + info->LuminanceBits) > 0;
794*61046927SAndroid Build Coastguard Worker case 3:
795*61046927SAndroid Build Coastguard Worker return (info->AlphaBits + info->IntensityBits) > 0;
796*61046927SAndroid Build Coastguard Worker default:
797*61046927SAndroid Build Coastguard Worker assert(!"Invalid color component: must be 0..3");
798*61046927SAndroid Build Coastguard Worker return false;
799*61046927SAndroid Build Coastguard Worker }
800*61046927SAndroid Build Coastguard Worker }
801*61046927SAndroid Build Coastguard Worker
802*61046927SAndroid Build Coastguard Worker
803*61046927SAndroid Build Coastguard Worker /**
804*61046927SAndroid Build Coastguard Worker * Return number of bytes needed to store an image of the given size
805*61046927SAndroid Build Coastguard Worker * in the given format.
806*61046927SAndroid Build Coastguard Worker */
807*61046927SAndroid Build Coastguard Worker uint32_t
_mesa_format_image_size(mesa_format format,int width,int height,int depth)808*61046927SAndroid Build Coastguard Worker _mesa_format_image_size(mesa_format format, int width,
809*61046927SAndroid Build Coastguard Worker int height, int depth)
810*61046927SAndroid Build Coastguard Worker {
811*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
812*61046927SAndroid Build Coastguard Worker uint32_t sz;
813*61046927SAndroid Build Coastguard Worker /* Strictly speaking, a conditional isn't needed here */
814*61046927SAndroid Build Coastguard Worker if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
815*61046927SAndroid Build Coastguard Worker /* compressed format (2D only for now) */
816*61046927SAndroid Build Coastguard Worker const uint32_t bw = info->BlockWidth;
817*61046927SAndroid Build Coastguard Worker const uint32_t bh = info->BlockHeight;
818*61046927SAndroid Build Coastguard Worker const uint32_t bd = info->BlockDepth;
819*61046927SAndroid Build Coastguard Worker const uint32_t wblocks = (width + bw - 1) / bw;
820*61046927SAndroid Build Coastguard Worker const uint32_t hblocks = (height + bh - 1) / bh;
821*61046927SAndroid Build Coastguard Worker const uint32_t dblocks = (depth + bd - 1) / bd;
822*61046927SAndroid Build Coastguard Worker sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
823*61046927SAndroid Build Coastguard Worker } else
824*61046927SAndroid Build Coastguard Worker /* non-compressed */
825*61046927SAndroid Build Coastguard Worker sz = width * height * depth * info->BytesPerBlock;
826*61046927SAndroid Build Coastguard Worker
827*61046927SAndroid Build Coastguard Worker return sz;
828*61046927SAndroid Build Coastguard Worker }
829*61046927SAndroid Build Coastguard Worker
830*61046927SAndroid Build Coastguard Worker
831*61046927SAndroid Build Coastguard Worker /**
832*61046927SAndroid Build Coastguard Worker * Same as _mesa_format_image_size() but returns a 64-bit value to
833*61046927SAndroid Build Coastguard Worker * accommodate very large textures.
834*61046927SAndroid Build Coastguard Worker */
835*61046927SAndroid Build Coastguard Worker uint64_t
_mesa_format_image_size64(mesa_format format,int width,int height,int depth)836*61046927SAndroid Build Coastguard Worker _mesa_format_image_size64(mesa_format format, int width,
837*61046927SAndroid Build Coastguard Worker int height, int depth)
838*61046927SAndroid Build Coastguard Worker {
839*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
840*61046927SAndroid Build Coastguard Worker uint64_t sz;
841*61046927SAndroid Build Coastguard Worker /* Strictly speaking, a conditional isn't needed here */
842*61046927SAndroid Build Coastguard Worker if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
843*61046927SAndroid Build Coastguard Worker /* compressed format (2D only for now) */
844*61046927SAndroid Build Coastguard Worker const uint64_t bw = info->BlockWidth;
845*61046927SAndroid Build Coastguard Worker const uint64_t bh = info->BlockHeight;
846*61046927SAndroid Build Coastguard Worker const uint64_t bd = info->BlockDepth;
847*61046927SAndroid Build Coastguard Worker const uint64_t wblocks = (width + bw - 1) / bw;
848*61046927SAndroid Build Coastguard Worker const uint64_t hblocks = (height + bh - 1) / bh;
849*61046927SAndroid Build Coastguard Worker const uint64_t dblocks = (depth + bd - 1) / bd;
850*61046927SAndroid Build Coastguard Worker sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
851*61046927SAndroid Build Coastguard Worker } else
852*61046927SAndroid Build Coastguard Worker /* non-compressed */
853*61046927SAndroid Build Coastguard Worker sz = ((uint64_t) width * (uint64_t) height *
854*61046927SAndroid Build Coastguard Worker (uint64_t) depth * info->BytesPerBlock);
855*61046927SAndroid Build Coastguard Worker
856*61046927SAndroid Build Coastguard Worker return sz;
857*61046927SAndroid Build Coastguard Worker }
858*61046927SAndroid Build Coastguard Worker
859*61046927SAndroid Build Coastguard Worker
860*61046927SAndroid Build Coastguard Worker
861*61046927SAndroid Build Coastguard Worker int32_t
_mesa_format_row_stride(mesa_format format,int width)862*61046927SAndroid Build Coastguard Worker _mesa_format_row_stride(mesa_format format, int width)
863*61046927SAndroid Build Coastguard Worker {
864*61046927SAndroid Build Coastguard Worker const struct mesa_format_info *info = _mesa_get_format_info(format);
865*61046927SAndroid Build Coastguard Worker /* Strictly speaking, a conditional isn't needed here */
866*61046927SAndroid Build Coastguard Worker if (info->BlockWidth > 1 || info->BlockHeight > 1) {
867*61046927SAndroid Build Coastguard Worker /* compressed format */
868*61046927SAndroid Build Coastguard Worker const uint32_t bw = info->BlockWidth;
869*61046927SAndroid Build Coastguard Worker const uint32_t wblocks = (width + bw - 1) / bw;
870*61046927SAndroid Build Coastguard Worker const int32_t stride = wblocks * info->BytesPerBlock;
871*61046927SAndroid Build Coastguard Worker return stride;
872*61046927SAndroid Build Coastguard Worker }
873*61046927SAndroid Build Coastguard Worker else {
874*61046927SAndroid Build Coastguard Worker const int32_t stride = width * info->BytesPerBlock;
875*61046927SAndroid Build Coastguard Worker return stride;
876*61046927SAndroid Build Coastguard Worker }
877*61046927SAndroid Build Coastguard Worker }
878*61046927SAndroid Build Coastguard Worker
879*61046927SAndroid Build Coastguard Worker
880*61046927SAndroid Build Coastguard Worker
881*61046927SAndroid Build Coastguard Worker /**
882*61046927SAndroid Build Coastguard Worker * Return datatype and number of components per texel for the given
883*61046927SAndroid Build Coastguard Worker * uncompressed mesa_format. Only used for mipmap generation code.
884*61046927SAndroid Build Coastguard Worker */
885*61046927SAndroid Build Coastguard Worker GLenum
_mesa_uncompressed_format_to_type(mesa_format format)886*61046927SAndroid Build Coastguard Worker _mesa_uncompressed_format_to_type(mesa_format format)
887*61046927SAndroid Build Coastguard Worker {
888*61046927SAndroid Build Coastguard Worker switch (format) {
889*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8B8G8R8_UNORM:
890*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8A8_UNORM:
891*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B8G8R8A8_UNORM:
892*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8R8G8B8_UNORM:
893*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8B8G8R8_UNORM:
894*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8X8_UNORM:
895*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B8G8R8X8_UNORM:
896*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8R8G8B8_UNORM:
897*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8B8G8R8_UINT:
898*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8A8_UINT:
899*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B8G8R8A8_UINT:
900*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8R8G8B8_UINT:
901*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BGR_UNORM8:
902*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_UNORM8:
903*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_UNORM8:
904*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_UNORM8:
905*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_UNORM8:
906*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_UNORM8:
907*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_UNORM8:
908*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_UNORM8:
909*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_S_UINT8:
910*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BGR_SRGB8:
911*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8B8G8R8_SRGB:
912*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B8G8R8A8_SRGB:
913*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8R8G8B8_SRGB:
914*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8A8_SRGB:
915*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SRGB8:
916*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SRGB8:
917*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SRGB8:
918*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SRGB8:
919*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_UINT8:
920*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_UINT8:
921*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_UINT8:
922*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_UINT8:
923*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_UINT8:
924*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_UINT8:
925*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_UINT8:
926*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8X8_SRGB:
927*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8B8G8R8_SRGB:
928*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_UINT8:
929*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B8G8R8X8_SRGB:
930*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8R8G8B8_SRGB:
931*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_BYTE;
932*61046927SAndroid Build Coastguard Worker
933*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B5G6R5_UNORM:
934*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R5G6B5_UNORM:
935*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B5G6R5_UINT:
936*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R5G6B5_UINT:
937*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_SHORT_5_6_5;
938*61046927SAndroid Build Coastguard Worker
939*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B4G4R4A4_UNORM:
940*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A4R4G4B4_UNORM:
941*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B4G4R4X4_UNORM:
942*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B4G4R4A4_UINT:
943*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A4R4G4B4_UINT:
944*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A4B4G4R4_UNORM:
945*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A4B4G4R4_UINT:
946*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R4G4B4A4_UNORM:
947*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R4G4B4A4_UINT:
948*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_SHORT_4_4_4_4;
949*61046927SAndroid Build Coastguard Worker
950*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B5G5R5A1_UNORM:
951*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A1R5G5B5_UNORM:
952*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B5G5R5X1_UNORM:
953*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B5G5R5A1_UINT:
954*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A1R5G5B5_UINT:
955*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R5G5B5A1_UNORM:
956*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R5G5B5A1_UINT:
957*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_SHORT_5_5_5_1;
958*61046927SAndroid Build Coastguard Worker
959*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B10G10R10A2_UNORM:
960*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B10G10R10A2_UINT:
961*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R10G10B10A2_UINT:
962*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B10G10R10X2_UNORM:
963*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R10G10B10X2_UNORM:
964*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R10G10B10A2_UNORM:
965*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_2_10_10_10_REV;
966*61046927SAndroid Build Coastguard Worker
967*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A1B5G5R5_UNORM:
968*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A1B5G5R5_UINT:
969*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X1B5G5R5_UNORM:
970*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_SHORT_5_5_5_1;
971*61046927SAndroid Build Coastguard Worker
972*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L4A4_UNORM:
973*61046927SAndroid Build Coastguard Worker return MESA_UNSIGNED_BYTE_4_4;
974*61046927SAndroid Build Coastguard Worker
975*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_UNORM16:
976*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_UNORM16:
977*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_UNORM16:
978*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_UNORM16:
979*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_UNORM16:
980*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_UNORM16:
981*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_YCBCR:
982*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_YCBCR_REV:
983*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_RB_UNORM8:
984*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RB_RG_UNORM8:
985*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_GR_BR_UNORM8:
986*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_BR_GR_UNORM8:
987*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z_UNORM16:
988*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_UNORM16:
989*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_UINT16:
990*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_UINT16:
991*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_UINT16:
992*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_UINT16:
993*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_UINT16:
994*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_UINT16:
995*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_UINT16:
996*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_UINT16:
997*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_UNORM16:
998*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_UINT16:
999*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_SHORT;
1000*61046927SAndroid Build Coastguard Worker
1001*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R3G3B2_UNORM:
1002*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R3G3B2_UINT:
1003*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_BYTE_2_3_3_REV;
1004*61046927SAndroid Build Coastguard Worker
1005*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A2B10G10R10_UNORM:
1006*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A2B10G10R10_UINT:
1007*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A2R10G10B10_UNORM:
1008*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A2R10G10B10_UINT:
1009*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_10_10_10_2;
1010*61046927SAndroid Build Coastguard Worker
1011*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B2G3R3_UNORM:
1012*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_B2G3R3_UINT:
1013*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_BYTE_3_3_2;
1014*61046927SAndroid Build Coastguard Worker
1015*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_S8_UINT_Z24_UNORM:
1016*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_24_8_MESA;
1017*61046927SAndroid Build Coastguard Worker
1018*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z24_UNORM_S8_UINT:
1019*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_8_24_REV_MESA;
1020*61046927SAndroid Build Coastguard Worker
1021*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z24_UNORM_X8_UINT:
1022*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8_UINT_Z24_UNORM:
1023*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z_UNORM32:
1024*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_UINT32:
1025*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_UINT32:
1026*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_UINT32:
1027*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_UINT32:
1028*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_UINT32:
1029*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_UINT32:
1030*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_UINT32:
1031*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_UINT32:
1032*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_UINT32:
1033*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT;
1034*61046927SAndroid Build Coastguard Worker
1035*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z_FLOAT32:
1036*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_FLOAT32:
1037*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_FLOAT32:
1038*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_FLOAT32:
1039*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_FLOAT32:
1040*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_FLOAT32:
1041*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_FLOAT32:
1042*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_FLOAT32:
1043*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_FLOAT32:
1044*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_FLOAT32:
1045*61046927SAndroid Build Coastguard Worker return GL_FLOAT;
1046*61046927SAndroid Build Coastguard Worker
1047*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
1048*61046927SAndroid Build Coastguard Worker return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
1049*61046927SAndroid Build Coastguard Worker
1050*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SNORM8:
1051*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_SNORM8:
1052*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SNORM8:
1053*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_SNORM8:
1054*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SNORM8:
1055*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SNORM8:
1056*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A8B8G8R8_SNORM:
1057*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8A8_SNORM:
1058*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_X8B8G8R8_SNORM:
1059*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_SINT8:
1060*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SINT8:
1061*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_SINT8:
1062*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SINT8:
1063*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SINT8:
1064*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SINT8:
1065*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_SINT8:
1066*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_SINT8:
1067*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R8G8B8X8_SNORM:
1068*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_SINT8:
1069*61046927SAndroid Build Coastguard Worker return GL_BYTE;
1070*61046927SAndroid Build Coastguard Worker
1071*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SNORM16:
1072*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_SNORM16:
1073*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SNORM16:
1074*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_SNORM16:
1075*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SNORM16:
1076*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SNORM16:
1077*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_SNORM16:
1078*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_SNORM16:
1079*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_SINT16:
1080*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SINT16:
1081*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_SINT16:
1082*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SINT16:
1083*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SINT16:
1084*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SINT16:
1085*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_SINT16:
1086*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_SINT16:
1087*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_SNORM16:
1088*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_SINT16:
1089*61046927SAndroid Build Coastguard Worker return GL_SHORT;
1090*61046927SAndroid Build Coastguard Worker
1091*61046927SAndroid Build Coastguard Worker
1092*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_FLOAT16:
1093*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_FLOAT16:
1094*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_FLOAT16:
1095*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_FLOAT16:
1096*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_FLOAT16:
1097*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_FLOAT16:
1098*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_FLOAT16:
1099*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_FLOAT16:
1100*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_FLOAT16:
1101*61046927SAndroid Build Coastguard Worker return GL_HALF_FLOAT;
1102*61046927SAndroid Build Coastguard Worker
1103*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_A_SINT32:
1104*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_L_SINT32:
1105*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_I_SINT32:
1106*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_LA_SINT32:
1107*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R_SINT32:
1108*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RG_SINT32:
1109*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGB_SINT32:
1110*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBA_SINT32:
1111*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_RGBX_SINT32:
1112*61046927SAndroid Build Coastguard Worker return GL_INT;
1113*61046927SAndroid Build Coastguard Worker
1114*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R9G9B9E5_FLOAT:
1115*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_5_9_9_9_REV;
1116*61046927SAndroid Build Coastguard Worker
1117*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_R11G11B10_FLOAT:
1118*61046927SAndroid Build Coastguard Worker return GL_UNSIGNED_INT_10F_11F_11F_REV;
1119*61046927SAndroid Build Coastguard Worker
1120*61046927SAndroid Build Coastguard Worker case MESA_FORMAT_COUNT:
1121*61046927SAndroid Build Coastguard Worker assert(0);
1122*61046927SAndroid Build Coastguard Worker return GL_NONE;
1123*61046927SAndroid Build Coastguard Worker default: {
1124*61046927SAndroid Build Coastguard Worker const char *name = _mesa_get_format_name(format);
1125*61046927SAndroid Build Coastguard Worker /* Warn if any formats are not handled */
1126*61046927SAndroid Build Coastguard Worker _mesa_problem(NULL, "bad format %s in _mesa_uncompressed_format_to_type_and_comps",
1127*61046927SAndroid Build Coastguard Worker name ? name : "???");
1128*61046927SAndroid Build Coastguard Worker assert(format == MESA_FORMAT_NONE ||
1129*61046927SAndroid Build Coastguard Worker _mesa_is_format_compressed(format));
1130*61046927SAndroid Build Coastguard Worker return GL_NONE;
1131*61046927SAndroid Build Coastguard Worker }
1132*61046927SAndroid Build Coastguard Worker }
1133*61046927SAndroid Build Coastguard Worker }
1134*61046927SAndroid Build Coastguard Worker
1135*61046927SAndroid Build Coastguard Worker /**
1136*61046927SAndroid Build Coastguard Worker * Check if a mesa_format exactly matches a GL format/type combination
1137*61046927SAndroid Build Coastguard Worker * such that we can use memcpy() from one to the other.
1138*61046927SAndroid Build Coastguard Worker * \param mesa_format a MESA_FORMAT_x value
1139*61046927SAndroid Build Coastguard Worker * \param format the user-specified image format
1140*61046927SAndroid Build Coastguard Worker * \param type the user-specified image datatype
1141*61046927SAndroid Build Coastguard Worker * \param swapBytes typically the current pixel pack/unpack byteswap state
1142*61046927SAndroid Build Coastguard Worker * \param[out] error GL_NO_ERROR if format is an expected input.
1143*61046927SAndroid Build Coastguard Worker * GL_INVALID_ENUM if format is an unexpected input.
1144*61046927SAndroid Build Coastguard Worker * \return true if the formats match, false otherwise.
1145*61046927SAndroid Build Coastguard Worker */
1146*61046927SAndroid Build Coastguard Worker bool
_mesa_format_matches_format_and_type(mesa_format mformat,GLenum format,GLenum type,bool swapBytes,GLenum * error)1147*61046927SAndroid Build Coastguard Worker _mesa_format_matches_format_and_type(mesa_format mformat,
1148*61046927SAndroid Build Coastguard Worker GLenum format, GLenum type,
1149*61046927SAndroid Build Coastguard Worker bool swapBytes, GLenum *error)
1150*61046927SAndroid Build Coastguard Worker {
1151*61046927SAndroid Build Coastguard Worker if (error)
1152*61046927SAndroid Build Coastguard Worker *error = GL_NO_ERROR;
1153*61046927SAndroid Build Coastguard Worker
1154*61046927SAndroid Build Coastguard Worker if (_mesa_is_format_compressed(mformat)) {
1155*61046927SAndroid Build Coastguard Worker if (error)
1156*61046927SAndroid Build Coastguard Worker *error = GL_INVALID_ENUM;
1157*61046927SAndroid Build Coastguard Worker return false;
1158*61046927SAndroid Build Coastguard Worker }
1159*61046927SAndroid Build Coastguard Worker
1160*61046927SAndroid Build Coastguard Worker if (swapBytes && !_mesa_swap_bytes_in_type_enum(&type))
1161*61046927SAndroid Build Coastguard Worker return false;
1162*61046927SAndroid Build Coastguard Worker
1163*61046927SAndroid Build Coastguard Worker /* format/type don't include srgb and should match regardless of it. */
1164*61046927SAndroid Build Coastguard Worker mformat = _mesa_get_srgb_format_linear(mformat);
1165*61046927SAndroid Build Coastguard Worker
1166*61046927SAndroid Build Coastguard Worker /* intensity formats are uploaded with GL_RED, and we want to find
1167*61046927SAndroid Build Coastguard Worker * memcpy matches for them.
1168*61046927SAndroid Build Coastguard Worker */
1169*61046927SAndroid Build Coastguard Worker mformat = _mesa_get_intensity_format_red(mformat);
1170*61046927SAndroid Build Coastguard Worker
1171*61046927SAndroid Build Coastguard Worker if (format == GL_COLOR_INDEX)
1172*61046927SAndroid Build Coastguard Worker return false;
1173*61046927SAndroid Build Coastguard Worker
1174*61046927SAndroid Build Coastguard Worker mesa_format other_format = _mesa_format_from_format_and_type(format, type);
1175*61046927SAndroid Build Coastguard Worker if (_mesa_format_is_mesa_array_format(other_format))
1176*61046927SAndroid Build Coastguard Worker other_format = _mesa_format_from_array_format(other_format);
1177*61046927SAndroid Build Coastguard Worker
1178*61046927SAndroid Build Coastguard Worker return other_format == mformat;
1179*61046927SAndroid Build Coastguard Worker }
1180*61046927SAndroid Build Coastguard Worker
1181