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This "u32 components" is a list of flags which attributes of the vertex loader are present. We are used to append this variable to lots of vertex generation functions, but some of them don't need it at all.
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#ifndef GCOGL_VERTEXSHADER_H
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#define GCOGL_VERTEXSHADER_H
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#include "XFMemory.h"
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#include "VideoCommon.h"
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#include "ShaderGenCommon.h"
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#include "LightingShaderGen.h"
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// TODO should be reordered
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#define SHADER_POSITION_ATTRIB 0
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#define SHADER_POSMTX_ATTRIB 1
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#define SHADER_NORM0_ATTRIB 2
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#define SHADER_NORM1_ATTRIB 3
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#define SHADER_NORM2_ATTRIB 4
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#define SHADER_COLOR0_ATTRIB 5
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#define SHADER_COLOR1_ATTRIB 6
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#define SHADER_TEXTURE0_ATTRIB 8
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#define SHADER_TEXTURE1_ATTRIB 9
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#define SHADER_TEXTURE2_ATTRIB 10
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#define SHADER_TEXTURE3_ATTRIB 11
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#define SHADER_TEXTURE4_ATTRIB 12
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#define SHADER_TEXTURE5_ATTRIB 13
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#define SHADER_TEXTURE6_ATTRIB 14
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#define SHADER_TEXTURE7_ATTRIB 15
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// shader variables
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#define I_POSNORMALMATRIX "cpnmtx"
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#define I_PROJECTION "cproj"
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#define I_MATERIALS "cmtrl"
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#define I_LIGHTS "clights"
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#define I_TEXMATRICES "ctexmtx"
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#define I_TRANSFORMMATRICES "ctrmtx"
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#define I_NORMALMATRICES "cnmtx"
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#define I_POSTTRANSFORMMATRICES "cpostmtx"
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#define I_DEPTHPARAMS "cDepth" // farZ, zRange
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//TODO: get rid of them, they aren't used at all
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#define C_POSNORMALMATRIX 0
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#define C_PROJECTION (C_POSNORMALMATRIX + 6)
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#define C_MATERIALS (C_PROJECTION + 4)
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#define C_LIGHTS (C_MATERIALS + 4)
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#define C_TEXMATRICES (C_LIGHTS + 40)
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#define C_TRANSFORMMATRICES (C_TEXMATRICES + 24)
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#define C_NORMALMATRICES (C_TRANSFORMMATRICES + 64)
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#define C_POSTTRANSFORMMATRICES (C_NORMALMATRICES + 32)
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#define C_DEPTHPARAMS (C_POSTTRANSFORMMATRICES + 64)
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#define C_VENVCONST_END (C_DEPTHPARAMS + 1)
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#pragma pack(1)
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struct vertex_shader_uid_data
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{
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u32 NumValues() const { return sizeof(vertex_shader_uid_data); }
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u32 components : 23;
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u32 numTexGens : 4;
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u32 numColorChans : 2;
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u32 dualTexTrans_enabled : 1;
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u32 pixel_lighting : 1;
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u32 pad0 : 1;
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u32 texMtxInfo_n_projection : 16; // Stored separately to guarantee that the texMtxInfo struct is 8 bits wide
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struct {
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u32 inputform : 2;
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u32 texgentype : 3;
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u32 sourcerow : 5;
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u32 embosssourceshift : 3;
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u32 embosslightshift : 3;
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} texMtxInfo[8];
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struct {
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u32 index : 6;
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u32 normalize : 1;
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u32 pad : 1;
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} postMtxInfo[8];
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LightingUidData lighting;
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};
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#pragma pack()
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typedef ShaderUid<vertex_shader_uid_data> VertexShaderUid;
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typedef ShaderCode VertexShaderCode; // TODO: Obsolete..
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void GetVertexShaderUid(VertexShaderUid& object, u32 components, API_TYPE api_type);
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void GenerateVertexShaderCode(VertexShaderCode& object, u32 components, API_TYPE api_type);
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void GenerateVSOutputStructForGS(ShaderCode& object, API_TYPE api_type);
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#endif // GCOGL_VERTEXSHADER_H
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