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TextureConvertion: merge Write*Swizzler

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degasus 2013-11-25 16:19:08 +01:00
parent 9dbb262aab
commit 2a2f2fd4eb
1 changed files with 17 additions and 67 deletions
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84
Source/Core/VideoCommon/Src/TextureConversionShader.cpp
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@ -61,14 +61,15 @@ u16 GetEncodedSampleCount(u32 format)
// texture dims : width, height, x offset, y offset
void WriteSwizzler(char*& p, u32 format, API_TYPE ApiType)
{
// [0] left, top, right, bottom of source rectangle within source texture
// [1] width and height of destination texture in pixels
// Two were merged for GLSL
// left, top, of source rectangle within source texture
// width of the destination rectangle, scale_factor (1 or 2)
WRITE(p, "uniform float4 " I_COLORS";\n");
int blkW = TexDecoder_GetBlockWidthInTexels(format);
int blkH = TexDecoder_GetBlockHeightInTexels(format);
int samples = GetEncodedSampleCount(format);
// 32 bit textures (RGBA8 and Z24) are store in 2 cache line increments
int factor = samples == 1 ? 2 : 1;
if (ApiType == API_OPENGL)
{
WRITE(p, "#define samp0 samp9\n");
@ -92,67 +93,16 @@ void WriteSwizzler(char*& p, u32 format, API_TYPE ApiType)
WRITE(p, " uv1.x = uv1.x * %d;\n", samples);
WRITE(p, " int xl = uv1.x / %d;\n", blkW);
WRITE(p, " int xib = uv1.x - xl * %d;\n", blkW);
WRITE(p, " int yl = uv1.y / %d;\n", blkH);
WRITE(p, " int yb = yl * %d;\n", blkH);
WRITE(p, " int yoff = uv1.y - yb;\n");
WRITE(p, " int xp = uv1.x + yoff * int(" I_COLORS".z);\n");
WRITE(p, " int xel = xp / %d;\n", blkW);
WRITE(p, " int xel = xp / %d;\n", samples == 1 ? factor : blkW);
WRITE(p, " int xb = xel / %d;\n", blkH);
WRITE(p, " int xoff = xel - xb * %d;\n", blkH);
WRITE(p, " sampleUv.x = xib + xb * %d;\n", blkW);
WRITE(p, " sampleUv.y = yb + xoff;\n");
}
// block dimensions : widthStride, heightStride
// texture dims : width, height, x offset, y offset
void Write32BitSwizzler(char*& p, u32 format, API_TYPE ApiType)
{
// [0] left, top, right, bottom of source rectangle within source texture
// [1] width and height of destination texture in pixels
// Two were merged for GLSL
WRITE(p, "uniform float4 " I_COLORS";\n");
int blkW = TexDecoder_GetBlockWidthInTexels(format);
int blkH = TexDecoder_GetBlockHeightInTexels(format);
// 32 bit textures (RGBA8 and Z24) are store in 2 cache line increments
if (ApiType == API_OPENGL)
{
WRITE(p, "#define samp0 samp9\n");
WRITE(p, "uniform sampler2D samp0;\n");
WRITE(p, " out float4 ocol0;\n");
WRITE(p, "void main()\n");
}
else
{
WRITE(p,"sampler samp0 : register(s0);\n");
WRITE(p, "Texture2D Tex0 : register(t0);\n");
WRITE(p,"void main(\n");
WRITE(p," out float4 ocol0 : SV_Target)\n");
}
WRITE(p, "{\n"
" int2 sampleUv;\n"
" int2 uv1 = int2(gl_FragCoord.xy);\n");
WRITE(p, " int yl = uv1.y / %d;\n", blkH);
WRITE(p, " int yb = yl * %d;\n", blkH);
WRITE(p, " int yoff = uv1.y - yb;\n");
WRITE(p, " int xp = uv1.x + yoff * int(" I_COLORS".z);\n");
WRITE(p, " int xel = xp / 2;\n");
WRITE(p, " int xb = xel / %d;\n", blkH);
WRITE(p, " int xoff = xel - xb * %d;\n", blkH);
WRITE(p, " int x2 = uv1.x * 2;\n");
WRITE(p, " int xl = x2 / %d;\n", blkW);
WRITE(p, " int xib = x2 - xl * %d;\n", blkW);
WRITE(p, " int halfxb = xb / 2;\n");
WRITE(p, " int xl = uv1.x * %d / %d;\n", factor, blkW);
WRITE(p, " int xib = uv1.x * %d - xl * %d;\n", factor, blkW);
WRITE(p, " int halfxb = xb / %d;\n", factor);
WRITE(p, " sampleUv.x = xib + halfxb * %d;\n", blkW);
WRITE(p, " sampleUv.y = yb + xoff;\n");
@ -161,13 +111,13 @@ void Write32BitSwizzler(char*& p, u32 format, API_TYPE ApiType)
void WriteSampleColor(char*& p, const char* colorComp, const char* dest, API_TYPE ApiType)
{
WRITE(p,
"{\n"
"float2 uv = sampleUv + int2(%d,0);\n" // pixel offset
"uv *= " I_COLORS".w;\n" // scale by two (if wanted)
"uv += " I_COLORS".xy;\n" // move to copyed rect
"uv += float2(0.5, 0.5);\n" // move center of pixel
"uv /= float2(%d, %d);\n" // normlize to [0:1]
"uv.y = 1-uv.y;\n" // ogl foo (disable this line for d3d)
"{\n" // sampleUv is the sample position in (int)gx_coords
"float2 uv = float2(sampleUv) + int2(%d,0);\n" // pixel offset (if more than one pixel is samped)
"uv *= " I_COLORS".w;\n" // scale by two (if wanted)
"uv += " I_COLORS".xy;\n" // move to copyed rect
"uv += float2(0.5, 0.5);\n" // move to center of pixel
"uv /= float2(%d, %d);\n" // normlize to [0:1]
"uv.y = 1.0-uv.y;\n" // ogl foo (disable this line for d3d)
"%s = texture(samp0, uv).%s;\n"
"}\n",
s_incrementSampleXCount, EFB_WIDTH, EFB_HEIGHT, dest, colorComp
@ -462,7 +412,7 @@ void WriteRGBA4443Encoder(char* p,API_TYPE ApiType)
void WriteRGBA8Encoder(char* p,API_TYPE ApiType)
{
Write32BitSwizzler(p, GX_TF_RGBA8, ApiType);
WriteSwizzler(p, GX_TF_RGBA8, ApiType);
WRITE(p, " float cl1 = xb - (halfxb * 2.0);\n");
WRITE(p, " float cl0 = 1.0 - cl1;\n");
@ -687,7 +637,7 @@ void WriteZ16LEncoder(char* p,API_TYPE ApiType)
void WriteZ24Encoder(char* p, API_TYPE ApiType)
{
Write32BitSwizzler(p, GX_TF_Z24X8, ApiType);
WriteSwizzler(p, GX_TF_Z24X8, ApiType);
WRITE(p, " float cl = xb - (halfxb * 2.0);\n");