1 /* 2 * Copyright © 2013 Rob Clark <[email protected]> 3 * SPDX-License-Identifier: MIT 4 * 5 * Authors: 6 * Rob Clark <[email protected]> 7 */ 8 9 #include "pipe/p_state.h" 10 #include "util/u_memory.h" 11 #include "util/u_string.h" 12 13 #include "fd3_context.h" 14 #include "fd3_format.h" 15 #include "fd3_zsa.h" 16 17 void * fd3_zsa_state_create(struct pipe_context * pctx,const struct pipe_depth_stencil_alpha_state * cso)18fd3_zsa_state_create(struct pipe_context *pctx, 19 const struct pipe_depth_stencil_alpha_state *cso) 20 { 21 struct fd3_zsa_stateobj *so; 22 23 so = CALLOC_STRUCT(fd3_zsa_stateobj); 24 if (!so) 25 return NULL; 26 27 so->base = *cso; 28 29 so->rb_depth_control |= 30 A3XX_RB_DEPTH_CONTROL_ZFUNC(cso->depth_func); /* maps 1:1 */ 31 32 if (cso->depth_enabled) 33 so->rb_depth_control |= 34 A3XX_RB_DEPTH_CONTROL_Z_TEST_ENABLE | A3XX_RB_DEPTH_CONTROL_Z_READ_ENABLE; 35 36 if (cso->depth_writemask) 37 so->rb_depth_control |= A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE; 38 39 if (cso->stencil[0].enabled) { 40 const struct pipe_stencil_state *s = &cso->stencil[0]; 41 42 so->rb_stencil_control |= 43 A3XX_RB_STENCIL_CONTROL_STENCIL_READ | 44 A3XX_RB_STENCIL_CONTROL_STENCIL_ENABLE | 45 A3XX_RB_STENCIL_CONTROL_FUNC(s->func) | /* maps 1:1 */ 46 A3XX_RB_STENCIL_CONTROL_FAIL(fd_stencil_op(s->fail_op)) | 47 A3XX_RB_STENCIL_CONTROL_ZPASS(fd_stencil_op(s->zpass_op)) | 48 A3XX_RB_STENCIL_CONTROL_ZFAIL(fd_stencil_op(s->zfail_op)); 49 so->rb_stencilrefmask |= 50 0xff000000 | /* ??? */ 51 A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(s->writemask) | 52 A3XX_RB_STENCILREFMASK_STENCILMASK(s->valuemask); 53 54 if (cso->stencil[1].enabled) { 55 const struct pipe_stencil_state *bs = &cso->stencil[1]; 56 57 so->rb_stencil_control |= 58 A3XX_RB_STENCIL_CONTROL_STENCIL_ENABLE_BF | 59 A3XX_RB_STENCIL_CONTROL_FUNC_BF(bs->func) | /* maps 1:1 */ 60 A3XX_RB_STENCIL_CONTROL_FAIL_BF(fd_stencil_op(bs->fail_op)) | 61 A3XX_RB_STENCIL_CONTROL_ZPASS_BF(fd_stencil_op(bs->zpass_op)) | 62 A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(fd_stencil_op(bs->zfail_op)); 63 so->rb_stencilrefmask_bf |= 64 0xff000000 | /* ??? */ 65 A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(bs->writemask) | 66 A3XX_RB_STENCILREFMASK_STENCILMASK(bs->valuemask); 67 } 68 } 69 70 if (cso->alpha_enabled) { 71 so->rb_render_control = 72 A3XX_RB_RENDER_CONTROL_ALPHA_TEST | 73 A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(cso->alpha_func); 74 so->rb_alpha_ref = A3XX_RB_ALPHA_REF_UINT(cso->alpha_ref_value * 255.0f) | 75 A3XX_RB_ALPHA_REF_FLOAT(cso->alpha_ref_value); 76 so->rb_depth_control |= A3XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE; 77 } 78 79 return so; 80 } 81