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Shader generators: Remove any references to D3D9 and cleanup the affected code.

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This commit is contained in:
Tony Wasserka
2013-09-22 18:07:21 +02:00
parent 0e2e71e483
commit 61ed40749f
9 changed files with 62 additions and 137 deletions
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66
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -271,20 +271,15 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
for (int i = 0; i < 8; ++i)
out.Write("uniform sampler2D samp%d;\n", i);
}
else
else // D3D
{
// Declare samplers
for (int i = 0; i < 8; ++i)
out.Write("%s samp%d : register(s%d);\n", (ApiType == API_D3D11) ? "sampler" : "uniform sampler2D", i, i);
out.Write("sampler samp%d : register(s%d);\n", i, i);
if (ApiType == API_D3D11)
{
out.Write("\n");
for (int i = 0; i < 8; ++i)
{
out.Write("Texture2D Tex%d : register(t%d);\n", i, i);
}
}
out.Write("\n");
for (int i = 0; i < 8; ++i)
out.Write("Texture2D Tex%d : register(t%d);\n", i, i);
}
out.Write("\n");
@ -367,7 +362,7 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
out.Write("void main()\n{\n");
}
else
else // D3D
{
if (forced_early_z)
{
@ -382,22 +377,12 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
}
out.Write("void main(\n");
if(ApiType != API_D3D11)
{
out.Write(" out float4 ocol0 : COLOR0,%s%s\n in float4 rawpos : %s,\n",
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : COLOR1," : "",
per_pixel_depth ? "\n out float depth : DEPTH," : "",
ApiType & API_D3D9_SM20 ? "POSITION" : "VPOS");
}
else
{
out.Write(" out float4 ocol0 : SV_Target0,%s%s\n in float4 rawpos : SV_Position,\n",
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : SV_Target1," : "",
per_pixel_depth ? "\n out float depth : SV_Depth," : "");
}
out.Write(" out float4 ocol0 : SV_Target0,%s%s\n in float4 rawpos : SV_Position,\n",
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : SV_Target1," : "",
per_pixel_depth ? "\n out float depth : SV_Depth," : "");
// "centroid" attribute is only supported by D3D11
const char* optCentroid = (ApiType == API_D3D11 ? "centroid" : "");
// Use centroid sampling to make MSAA work properly
const char* optCentroid = "centroid";
out.Write(" in %s float4 colors_0 : COLOR0,\n", optCentroid);
out.Write(" in %s float4 colors_1 : COLOR1", optCentroid);
@ -623,10 +608,11 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
WriteAlphaTest<T>(out, uid_data, ApiType, dstAlphaMode, per_pixel_depth);
// TODO: Make more sense out of this comment
// D3D9 doesn't support readback of depth in pixel shader, so we always have to calculate it again.
// This shouldn't be a performance issue as the written depth is usually still from perspective division
// but this isn't true for z-textures, so there will be depth issues between enabled and disabled z-textures fragments
if ((ApiType == API_OPENGL || ApiType == API_D3D11) && g_ActiveConfig.bFastDepthCalc)
if (g_ActiveConfig.bFastDepthCalc)
out.Write("float zCoord = rawpos.z;\n");
else
{
@ -682,18 +668,10 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
{
out.SetConstantsUsed(C_ALPHA, C_ALPHA);
if(ApiType & API_D3D9)
{
// alpha component must be 0 or the shader will not compile (Direct3D 9Ex restriction)
// Colors will be blended against the color from ocol1 in D3D 9...
out.Write("\tocol1 = float4(prev.a, prev.a, prev.a, 0.0);\n");
}
else
{
// Colors will be blended against the alpha from ocol1...
out.Write("\tocol1 = prev;\n");
}
// ...and the alpha from ocol0 will be written to the framebuffer.
// Colors will be blended against the alpha from ocol1 and
// the alpha from ocol0 will be written to the framebuffer.
out.Write("\tocol1 = prev;\n");
out.Write("\tocol0.a = " I_ALPHA"[0].a;\n");
}
@ -1127,10 +1105,10 @@ void SampleTexture(T& out, const char *texcoords, const char *texswap, int texma
{
out.SetConstantsUsed(C_TEXDIMS+texmap,C_TEXDIMS+texmap);
if (ApiType == API_D3D11)
if (ApiType == API_D3D)
out.Write("Tex%d.Sample(samp%d,%s.xy * " I_TEXDIMS"[%d].xy).%s;\n", texmap,texmap, texcoords, texmap, texswap);
else
out.Write("%s(samp%d,%s.xy * " I_TEXDIMS"[%d].xy).%s;\n", ApiType == API_OPENGL ? "texture" : "tex2D", texmap, texcoords, texmap, texswap);
else // OGL
out.Write("texture(samp%d,%s.xy * " I_TEXDIMS"[%d].xy).%s;\n", texmap, texcoords, texmap, texswap);
}
static const char *tevAlphaFuncsTable[] =
@ -1198,14 +1176,14 @@ static inline void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_T
// It seems to be less buggy than not to update the depth buffer if alpha test fails,
// but both ways wouldn't be accurate.
// OpenGL 4.2 has a flag which allows the driver to still update the depth buffer
// OpenGL 4.2 has a flag which allows the driver to still update the depth buffer
// if alpha test fails. The driver doesn't have to, but I assume they all do because
// it's the much faster code path for the GPU.
uid_data.alpha_test_use_zcomploc_hack = bpmem.UseEarlyDepthTest() && bpmem.zmode.updateenable && !g_ActiveConfig.backend_info.bSupportsEarlyZ;
if (!uid_data.alpha_test_use_zcomploc_hack)
{
out.Write("\t\tdiscard;\n");
if (ApiType != API_D3D11)
if (ApiType != API_D3D)
out.Write("\t\treturn;\n");
}