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OpenGL: invert alpha channel in shader code, too

scancodes-fix
Günther Brammer 2009-09-19 19:36:31 +02:00
parent f56ae275df
commit e762a4501e
1 changed files with 13 additions and 14 deletions
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27
src/platform/StdGL.cpp
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@ -812,13 +812,13 @@ bool CStdGL::RestoreDeviceObjects()
"TEMP tmp;\n"
// sample the texture
"TXP tmp, fragment.texcoord[0], texture, 2D;\n";
const char * alpha_add =
const char * alpha_mod =
// perform the modulation
"MUL tmp.rgb, tmp, fragment.color.primary;\n"
"ADD_SAT tmp.a, tmp, fragment.color.primary;\n";
"MUL tmp.rgba, tmp, fragment.color.primary;\n";
const char * funny_add =
// perform the modulation
"ADD tmp, tmp, fragment.color.primary;\n"
"ADD tmp.rgb, tmp, fragment.color.primary;\n"
"MUL tmp.a, tmp, fragment.color.primary;\n"
"MAD_SAT tmp, tmp, { 2.0, 2.0, 2.0, 1.0 }, { -1.0, -1.0, -1.0, 0.0 };\n";
const char * grey =
"TEMP grey;\n"
@ -837,8 +837,7 @@ bool CStdGL::RestoreDeviceObjects()
"MOV coo, fragment.texcoord;\n"
"MUL coo.xy, coo, 3.0;\n"
"TXP tmp, coo, texture[1], 2D;\n"
"MUL tmp.a, col.y, col.z;\n"
"SUB tmp.a, 1.0, tmp.a;\n";
"MUL tmp.a, col.y, col.z;\n";
const char * fow =
"TEMP fow;\n"
// sample the texture
@ -847,18 +846,18 @@ bool CStdGL::RestoreDeviceObjects()
const char * end =
"MOV result.color, tmp;\n"
"END\n";
DefineShaderARB(FormatString("%s%s%s", preface, alpha_add, end).getData(), shaders[0]);
DefineShaderARB(FormatString("%s%s%s", preface, alpha_mod, end).getData(), shaders[0]);
DefineShaderARB(FormatString("%s%s%s", preface, funny_add, end).getData(), shaders[1]);
DefineShaderARB(FormatString("%s%s%s%s", preface, landscape, alpha_add, end).getData(), shaders[2]);
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_add, grey, end).getData(), shaders[3]);
DefineShaderARB(FormatString("%s%s%s%s", preface, landscape, alpha_mod, end).getData(), shaders[2]);
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_mod, grey, end).getData(), shaders[3]);
DefineShaderARB(FormatString("%s%s%s%s", preface, funny_add, grey, end).getData(), shaders[4]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_add, grey, end).getData(), shaders[5]);
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_add, fow, end).getData(), shaders[6]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_mod, grey, end).getData(), shaders[5]);
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_mod, fow, end).getData(), shaders[6]);
DefineShaderARB(FormatString("%s%s%s%s", preface, funny_add, fow, end).getData(), shaders[7]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_add, fow, end).getData(), shaders[8]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, alpha_add, grey, fow, end).getData(), shaders[9]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_mod, fow, end).getData(), shaders[8]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, alpha_mod, grey, fow, end).getData(), shaders[9]);
DefineShaderARB(FormatString("%s%s%s%s%s", preface, funny_add, grey, fow, end).getData(), shaders[10]);
DefineShaderARB(FormatString("%s%s%s%s%s%s", preface, landscape, alpha_add, grey, fow, end).getData(), shaders[11]);
DefineShaderARB(FormatString("%s%s%s%s%s%s", preface, landscape, alpha_mod, grey, fow, end).getData(), shaders[11]);
}
// done
return Active;