xref: /aosp_15_r20/external/mesa3d/src/gallium/frontends/nine/vertexshader9.h (revision 6104692788411f58d303aa86923a9ff6ecaded22)

/*
 * Copyright 2011 Joakim Sindholt <[email protected]>
 * SPDX-License-Identifier: MIT
 */

#ifndef _NINE_VERTEXSHADER9_H_
#define _NINE_VERTEXSHADER9_H_

#include "util/half_float.h"

#include "iunknown.h"
#include "device9.h"
#include "nine_helpers.h"
#include "nine_shader.h"
#include "nine_state.h"

struct NineVertexDeclaration9;

struct NineVertexShader9
{
    struct NineUnknown base;
    struct nine_shader_variant variant;

    struct {
        uint16_t ndecl; /* NINE_DECLUSAGE_x */
    } input_map[PIPE_MAX_ATTRIBS];
    unsigned num_inputs;

    struct {
        const DWORD *tokens;
        DWORD size;
        uint8_t version; /* (major << 4) | minor */
    } byte_code;

    uint8_t sampler_mask;

    bool position_t; /* if true, disable vport transform */
    bool point_size; /* if true, set rasterizer.point_size_per_vertex to 1 */
    bool swvp_only;

    struct nine_lconstf lconstf;

    bool int_slots_used[NINE_MAX_CONST_I];
    bool bool_slots_used[NINE_MAX_CONST_B];

    unsigned const_int_slots;
    unsigned const_bool_slots;

    struct nine_shader_constant_combination *c_combinations;

    uint64_t ff_key[3];
    void *ff_cso;

    uint64_t last_key;
    void *last_cso;
    unsigned *last_const_ranges;
    unsigned last_const_used_size; /* in bytes */

    uint64_t next_key;

    /* so */
    struct nine_shader_variant_so variant_so;
};
static inline struct NineVertexShader9 *
NineVertexShader9( void *data )
{
    return (struct NineVertexShader9 *)data;
}

static inline BOOL
NineVertexShader9_UpdateKey( struct NineVertexShader9 *vs,
                             struct NineDevice9 *device )
{
    struct nine_context *context = &(device->context);
    uint8_t samplers_shadow;
    uint64_t key;
    BOOL res;

    samplers_shadow = (uint8_t)((context->samplers_shadow & NINE_VS_SAMPLERS_MASK) >> NINE_SAMPLER_VS(0));
    samplers_shadow &= vs->sampler_mask;
    key = samplers_shadow;

    if (vs->byte_code.version < 0x30)
        key |= (uint32_t) ((!!context->rs[D3DRS_FOGENABLE]) << 8);
    key |= (uint32_t) (context->swvp << 9);

    if ((vs->const_int_slots > 0 || vs->const_bool_slots > 0) && context->inline_constants && !context->swvp)
        key |= ((uint64_t)nine_shader_constant_combination_key(&vs->c_combinations,
                                                               vs->int_slots_used,
                                                               vs->bool_slots_used,
                                                               context->vs_const_i,
                                                               context->vs_const_b)) << 16;

    if (device->driver_caps.emulate_ucp)
        key |= (context->rs[D3DRS_CLIPPLANEENABLE] & 0xff) << 24;

    /* We want to use a 64 bits key for performance.
     * Use compressed float16 values for the pointsize min/max in the key.
     * Shaders do not usually output psize.*/
    if (vs->point_size) {
        key |= ((uint64_t)_mesa_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MIN]))) << 32;
        key |= ((uint64_t)_mesa_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MAX]))) << 48;
    }

    res = vs->last_key != key;
    if (res)
        vs->next_key = key;
    return res;
}

void *
NineVertexShader9_GetVariant( struct NineVertexShader9 *vs,
                              unsigned **const_ranges,
                              unsigned *const_used_size );

void *
NineVertexShader9_GetVariantProcessVertices( struct NineVertexShader9 *vs,
                                             struct NineVertexDeclaration9 *vdecl_out,
                                             struct pipe_stream_output_info *so );

/*** public ***/

HRESULT
NineVertexShader9_new( struct NineDevice9 *pDevice,
                       struct NineVertexShader9 **ppOut,
                       const DWORD *pFunction, void *cso );

HRESULT
NineVertexShader9_ctor( struct NineVertexShader9 *,
                        struct NineUnknownParams *pParams,
                        const DWORD *pFunction, void *cso );

void
NineVertexShader9_dtor( struct NineVertexShader9 * );

HRESULT NINE_WINAPI
NineVertexShader9_GetFunction( struct NineVertexShader9 *This,
                               void *pData,
                               UINT *pSizeOfData );

#endif /* _NINE_VERTEXSHADER9_H_ */