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Code Issues Releases Wiki Activity

coolfog: also affect textures

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This commit is contained in:
Zeno Rogue 2020-08-01 16:48:38 +02:00
parent 81d1066596
commit 44f359582c
1 changed files with 20 additions and 2 deletions
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20
shaders.cpp
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@ -67,6 +67,9 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
varying += "varying mediump vec4 vColor;\n";
fmain += "gl_FragColor = vColor;\n";
bool have_texture = false;
if(shader_flags & GF_TEXTURE_SHADED) {
vsh += "attribute mediump vec3 aTexture;\n";
varying += "varying mediump vec3 vTexCoord;\n";
@ -80,7 +83,7 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
varying += "varying mediump vec2 vTexCoord;\n";
fsh += "uniform mediump sampler2D tTexture;\n";
vmain += "vTexCoord = aTexture;\n",
fmain += "gl_FragColor *= texture2D(tTexture, vTexCoord);\n";
have_texture = true;
}
if(shader_flags & GF_LEVELS) {
fsh += "uniform mediump float uLevelLines;\n";
@ -300,6 +303,18 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
"if(fogs < 0.) fogs = 0.;\n"
"fog.xyz /= fog.w;\n"
"vColor.xyz = vColor.xyz * fogs + fog.xyz * (1.0-fogs);\n";
if(have_texture) {
varying += "varying mediump vec4 fog_color;\n";
vmain += "fog_color = fog;\n";
fmain +=
"if(vTexCoord.x == 0.) {\n"
"vec4 t = texture2D(tTexture, vTexCoord);\n"
"gl_FragColor = t * gl_FragColor + (1.-t) * fog_color;\n"
"}\n"
"else gl_FragColor *= texture2D(tTexture, vTexCoord);\n";
have_texture = false;
}
}
else if(distfun != "") {
vmain += "mediump float fogs = (uFogBase - " + distfun + " / uFog);\n";
@ -314,6 +329,9 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
vmain += "gl_Position = uP * t;\n";
}
if(have_texture)
fmain += "gl_FragColor *= texture2D(tTexture, vTexCoord);\n";
vsh +=
"uniform mediump mat4 uMV;\n"
"uniform mediump mat4 uP;\n";