/****************************************************************************
* Copyright (C) 2015 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
***************************************************************************/
#ifndef SWR_STATE_H
#define SWR_STATE_H
#include "pipe/p_defines.h"
#include "tgsi/tgsi_scan.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_dump.h"
#include "gallivm/lp_bld_init.h"
#include "gallivm/lp_bld_tgsi.h"
#include "util/crc32.h"
#include "api.h"
#include "swr_tex_sample.h"
#include "swr_shader.h"
#include <unordered_map>
#include <memory>
template <typename T>
struct ShaderVariant {
struct gallivm_state *gallivm;
T shader;
ShaderVariant(struct gallivm_state *gs, T code) : gallivm(gs), shader(code) {}
~ShaderVariant() { gallivm_destroy(gallivm); }
};
typedef ShaderVariant<PFN_VERTEX_FUNC> VariantVS;
typedef ShaderVariant<PFN_PIXEL_KERNEL> VariantFS;
typedef ShaderVariant<PFN_GS_FUNC> VariantGS;
/* skeleton */
struct swr_vertex_shader {
struct pipe_shader_state pipe;
struct lp_tgsi_info info;
std::unordered_map<swr_jit_vs_key, std::unique_ptr<VariantVS>> map;
SWR_STREAMOUT_STATE soState;
PFN_SO_FUNC soFunc[PIPE_PRIM_MAX] {0};
};
struct swr_fragment_shader {
struct pipe_shader_state pipe;
struct lp_tgsi_info info;
uint32_t constantMask;
uint32_t flatConstantMask;
uint32_t pointSpriteMask;
std::unordered_map<swr_jit_fs_key, std::unique_ptr<VariantFS>> map;
};
struct swr_geometry_shader {
struct pipe_shader_state pipe;
struct lp_tgsi_info info;
SWR_GS_STATE gsState;
std::unordered_map<swr_jit_gs_key, std::unique_ptr<VariantGS>> map;
};
/* Vertex element state */
struct swr_vertex_element_state {
FETCH_COMPILE_STATE fsState;
PFN_FETCH_FUNC fsFunc {NULL};
uint32_t stream_pitch[PIPE_MAX_ATTRIBS] {0};
uint32_t min_instance_div[PIPE_MAX_ATTRIBS] {0};
uint32_t instanced_bufs {0};
std::unordered_map<swr_jit_fetch_key, PFN_FETCH_FUNC> map;
};
struct swr_blend_state {
struct pipe_blend_state pipe;
SWR_BLEND_STATE blendState;
RENDER_TARGET_BLEND_COMPILE_STATE compileState[PIPE_MAX_COLOR_BUFS];
};
struct swr_poly_stipple {
struct pipe_poly_stipple pipe;
bool prim_is_poly;
};
/*
* Derived SWR API DrawState
* For convenience of making simple changes without re-deriving state.
*/
struct swr_derived_state {
SWR_RASTSTATE rastState;
SWR_VIEWPORT vp;
SWR_VIEWPORT_MATRICES vpm;
};
void swr_update_derived(struct pipe_context *,
const struct pipe_draw_info * = nullptr);
/*
* Conversion functions: Convert mesa state defines to SWR.
*/
static INLINE SWR_LOGIC_OP
swr_convert_logic_op(const UINT op)
{
switch (op) {
case PIPE_LOGICOP_CLEAR:
return LOGICOP_CLEAR;
case PIPE_LOGICOP_NOR:
return LOGICOP_NOR;
case PIPE_LOGICOP_AND_INVERTED:
return LOGICOP_AND_INVERTED;
case PIPE_LOGICOP_COPY_INVERTED:
return LOGICOP_COPY_INVERTED;
case PIPE_LOGICOP_AND_REVERSE:
return LOGICOP_AND_REVERSE;
case PIPE_LOGICOP_INVERT:
return LOGICOP_INVERT;
case PIPE_LOGICOP_XOR:
return LOGICOP_XOR;
case PIPE_LOGICOP_NAND:
return LOGICOP_NAND;
case PIPE_LOGICOP_AND:
return LOGICOP_AND;
case PIPE_LOGICOP_EQUIV:
return LOGICOP_EQUIV;
case PIPE_LOGICOP_NOOP:
return LOGICOP_NOOP;
case PIPE_LOGICOP_OR_INVERTED:
return LOGICOP_OR_INVERTED;
case PIPE_LOGICOP_COPY:
return LOGICOP_COPY;
case PIPE_LOGICOP_OR_REVERSE:
return LOGICOP_OR_REVERSE;
case PIPE_LOGICOP_OR:
return LOGICOP_OR;
case PIPE_LOGICOP_SET:
return LOGICOP_SET;
default:
assert(0 && "Unsupported logic op");
return LOGICOP_NOOP;
}
}
static INLINE SWR_STENCILOP
swr_convert_stencil_op(const UINT op)
{
switch (op) {
case PIPE_STENCIL_OP_KEEP:
return STENCILOP_KEEP;
case PIPE_STENCIL_OP_ZERO:
return STENCILOP_ZERO;
case PIPE_STENCIL_OP_REPLACE:
return STENCILOP_REPLACE;
case PIPE_STENCIL_OP_INCR:
return STENCILOP_INCRSAT;
case PIPE_STENCIL_OP_DECR:
return STENCILOP_DECRSAT;
case PIPE_STENCIL_OP_INCR_WRAP:
return STENCILOP_INCR;
case PIPE_STENCIL_OP_DECR_WRAP:
return STENCILOP_DECR;
case PIPE_STENCIL_OP_INVERT:
return STENCILOP_INVERT;
default:
assert(0 && "Unsupported stencil op");
return STENCILOP_KEEP;
}
}
static INLINE SWR_FORMAT
swr_convert_index_type(const UINT index_size)
{
switch (index_size) {
case sizeof(unsigned char):
return R8_UINT;
case sizeof(unsigned short):
return R16_UINT;
case sizeof(unsigned int):
return R32_UINT;
default:
assert(0 && "Unsupported index type");
return R32_UINT;
}
}
static INLINE SWR_ZFUNCTION
swr_convert_depth_func(const UINT pipe_func)
{
switch (pipe_func) {
case PIPE_FUNC_NEVER:
return ZFUNC_NEVER;
case PIPE_FUNC_LESS:
return ZFUNC_LT;
case PIPE_FUNC_EQUAL:
return ZFUNC_EQ;
case PIPE_FUNC_LEQUAL:
return ZFUNC_LE;
case PIPE_FUNC_GREATER:
return ZFUNC_GT;
case PIPE_FUNC_NOTEQUAL:
return ZFUNC_NE;
case PIPE_FUNC_GEQUAL:
return ZFUNC_GE;
case PIPE_FUNC_ALWAYS:
return ZFUNC_ALWAYS;
default:
assert(0 && "Unsupported depth func");
return ZFUNC_ALWAYS;
}
}
static INLINE SWR_CULLMODE
swr_convert_cull_mode(const UINT cull_face)
{
switch (cull_face) {
case PIPE_FACE_NONE:
return SWR_CULLMODE_NONE;
case PIPE_FACE_FRONT:
return SWR_CULLMODE_FRONT;
case PIPE_FACE_BACK:
return SWR_CULLMODE_BACK;
case PIPE_FACE_FRONT_AND_BACK:
return SWR_CULLMODE_BOTH;
default:
assert(0 && "Invalid cull mode");
return SWR_CULLMODE_NONE;
}
}
static INLINE SWR_BLEND_OP
swr_convert_blend_func(const UINT blend_func)
{
switch (blend_func) {
case PIPE_BLEND_ADD:
return BLENDOP_ADD;
case PIPE_BLEND_SUBTRACT:
return BLENDOP_SUBTRACT;
case PIPE_BLEND_REVERSE_SUBTRACT:
return BLENDOP_REVSUBTRACT;
case PIPE_BLEND_MIN:
return BLENDOP_MIN;
case PIPE_BLEND_MAX:
return BLENDOP_MAX;
default:
assert(0 && "Invalid blend func");
return BLENDOP_ADD;
}
}
static INLINE SWR_BLEND_FACTOR
swr_convert_blend_factor(const UINT blend_factor)
{
switch (blend_factor) {
case PIPE_BLENDFACTOR_ONE:
return BLENDFACTOR_ONE;
case PIPE_BLENDFACTOR_SRC_COLOR:
return BLENDFACTOR_SRC_COLOR;
case PIPE_BLENDFACTOR_SRC_ALPHA:
return BLENDFACTOR_SRC_ALPHA;
case PIPE_BLENDFACTOR_DST_ALPHA:
return BLENDFACTOR_DST_ALPHA;
case PIPE_BLENDFACTOR_DST_COLOR:
return BLENDFACTOR_DST_COLOR;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
return BLENDFACTOR_SRC_ALPHA_SATURATE;
case PIPE_BLENDFACTOR_CONST_COLOR:
return BLENDFACTOR_CONST_COLOR;
case PIPE_BLENDFACTOR_CONST_ALPHA:
return BLENDFACTOR_CONST_ALPHA;
case PIPE_BLENDFACTOR_SRC1_COLOR:
return BLENDFACTOR_SRC1_COLOR;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
return BLENDFACTOR_SRC1_ALPHA;
case PIPE_BLENDFACTOR_ZERO:
return BLENDFACTOR_ZERO;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
return BLENDFACTOR_INV_SRC_COLOR;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
return BLENDFACTOR_INV_SRC_ALPHA;
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
return BLENDFACTOR_INV_DST_ALPHA;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
return BLENDFACTOR_INV_DST_COLOR;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
return BLENDFACTOR_INV_CONST_COLOR;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
return BLENDFACTOR_INV_CONST_ALPHA;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
return BLENDFACTOR_INV_SRC1_COLOR;
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
return BLENDFACTOR_INV_SRC1_ALPHA;
default:
assert(0 && "Invalid blend factor");
return BLENDFACTOR_ONE;
}
}
static INLINE enum SWR_SURFACE_TYPE
swr_convert_target_type(const enum pipe_texture_target target)
{
switch (target) {
case PIPE_BUFFER:
return SURFACE_BUFFER;
case PIPE_TEXTURE_1D:
case PIPE_TEXTURE_1D_ARRAY:
return SURFACE_1D;
case PIPE_TEXTURE_2D:
case PIPE_TEXTURE_2D_ARRAY:
case PIPE_TEXTURE_RECT:
return SURFACE_2D;
case PIPE_TEXTURE_3D:
return SURFACE_3D;
case PIPE_TEXTURE_CUBE:
case PIPE_TEXTURE_CUBE_ARRAY:
return SURFACE_CUBE;
default:
assert(0);
return SURFACE_NULL;
}
}
/*
* Convert mesa PIPE_PRIM_X to SWR enum PRIMITIVE_TOPOLOGY
*/
static INLINE enum PRIMITIVE_TOPOLOGY
swr_convert_prim_topology(const unsigned mode)
{
switch (mode) {
case PIPE_PRIM_POINTS:
return TOP_POINT_LIST;
case PIPE_PRIM_LINES:
return TOP_LINE_LIST;
case PIPE_PRIM_LINE_LOOP:
return TOP_LINE_LOOP;
case PIPE_PRIM_LINE_STRIP:
return TOP_LINE_STRIP;
case PIPE_PRIM_TRIANGLES:
return TOP_TRIANGLE_LIST;
case PIPE_PRIM_TRIANGLE_STRIP:
return TOP_TRIANGLE_STRIP;
case PIPE_PRIM_TRIANGLE_FAN:
return TOP_TRIANGLE_FAN;
case PIPE_PRIM_QUADS:
return TOP_QUAD_LIST;
case PIPE_PRIM_QUAD_STRIP:
return TOP_QUAD_STRIP;
case PIPE_PRIM_POLYGON:
return TOP_TRIANGLE_FAN; /* XXX TOP_POLYGON; */
case PIPE_PRIM_LINES_ADJACENCY:
return TOP_LINE_LIST_ADJ;
case PIPE_PRIM_LINE_STRIP_ADJACENCY:
return TOP_LISTSTRIP_ADJ;
case PIPE_PRIM_TRIANGLES_ADJACENCY:
return TOP_TRI_LIST_ADJ;
case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
return TOP_TRI_STRIP_ADJ;
default:
assert(0 && "Unknown topology");
return TOP_UNKNOWN;
}
};
/*
* convert mesa PIPE_POLYGON_MODE_X to SWR enum SWR_FILLMODE
*/
static INLINE enum SWR_FILLMODE
swr_convert_fill_mode(const unsigned mode)
{
switch(mode) {
case PIPE_POLYGON_MODE_FILL:
return SWR_FILLMODE_SOLID;
case PIPE_POLYGON_MODE_LINE:
return SWR_FILLMODE_WIREFRAME;
case PIPE_POLYGON_MODE_POINT:
return SWR_FILLMODE_POINT;
default:
assert(0 && "Unknown fillmode");
return SWR_FILLMODE_SOLID; // at least do something sensible
}
}
#endif