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pica/swrasterizer: implement procedural texture

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This commit is contained in:
wwylele 2017-04-17 10:01:45 +03:00
parent 13dd0b88de
commit ade45b5b99
9 changed files with 448 additions and 4 deletions
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13
src/video_core/swrasterizer/rasterizer.cpp
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@ -23,6 +23,7 @@
#include "video_core/regs_texturing.h"
#include "video_core/shader/shader.h"
#include "video_core/swrasterizer/framebuffer.h"
#include "video_core/swrasterizer/proctex.h"
#include "video_core/swrasterizer/rasterizer.h"
#include "video_core/swrasterizer/texturing.h"
#include "video_core/texture/texture_decode.h"
@ -268,7 +269,7 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
uv[2].u() = GetInterpolatedAttribute(v0.tc2.u(), v1.tc2.u(), v2.tc2.u());
uv[2].v() = GetInterpolatedAttribute(v0.tc2.v(), v1.tc2.v(), v2.tc2.v());
Math::Vec4<u8> texture_color[3]{};
Math::Vec4<u8> texture_color[4]{};
for (int i = 0; i < 3; ++i) {
const auto& texture = textures[i];
if (!texture.enabled)
@ -334,6 +335,13 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
}
}
// sample procedural texture
if (regs.texturing.main_config.texture3_enable) {
const auto& proctex_uv = uv[regs.texturing.main_config.texture3_coordinates];
texture_color[3] = ProcTex(proctex_uv.u().ToFloat32(), proctex_uv.v().ToFloat32(),
g_state.regs.texturing, g_state.proctex);
}
// Texture environment - consists of 6 stages of color and alpha combining.
//
// Color combiners take three input color values from some source (e.g. interpolated
@ -376,6 +384,9 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
case Source::Texture2:
return texture_color[2];
case Source::Texture3:
return texture_color[3];
case Source::PreviousBuffer:
return combiner_buffer;