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Migrate rendering to OpenGL 3.2 / OpenGL ES 3.0.

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This commit is contained in:
Paul Chote
2019-08-31 10:30:02 +01:00
committed by RoosterDragon
parent 91c63034d3
commit ce8112fb5a
11 changed files with 250 additions and 103 deletions
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45
glsl/combined.frag
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@@ -1,3 +1,10 @@
#version {VERSION}
#ifdef GL_ES
precision mediump float;
#endif
in vec4 vColor;
uniform sampler2D Texture0;
uniform sampler2D Texture1;
uniform sampler2D Texture2;
@@ -10,15 +17,17 @@ uniform sampler2D Palette;
uniform bool EnableDepthPreview;
uniform float DepthTextureScale;
varying vec4 vTexCoord;
varying vec2 vTexMetadata;
varying vec4 vChannelMask;
varying vec4 vDepthMask;
varying vec2 vTexSampler;
in vec4 vTexCoord;
in vec2 vTexMetadata;
in vec4 vChannelMask;
in vec4 vDepthMask;
in vec2 vTexSampler;
varying vec4 vColorFraction;
varying vec4 vRGBAFraction;
varying vec4 vPalettedFraction;
in vec4 vColorFraction;
in vec4 vRGBAFraction;
in vec4 vPalettedFraction;
out vec4 fragColor;
float jet_r(float x)
{
@@ -38,26 +47,26 @@ float jet_b(float x)
vec4 Sample(float samplerIndex, vec2 pos)
{
if (samplerIndex < 0.5)
return texture2D(Texture0, pos);
return texture(Texture0, pos);
else if (samplerIndex < 1.5)
return texture2D(Texture1, pos);
return texture(Texture1, pos);
else if (samplerIndex < 2.5)
return texture2D(Texture2, pos);
return texture(Texture2, pos);
else if (samplerIndex < 3.5)
return texture2D(Texture3, pos);
return texture(Texture3, pos);
else if (samplerIndex < 4.5)
return texture2D(Texture4, pos);
return texture(Texture4, pos);
else if (samplerIndex < 5.5)
return texture2D(Texture5, pos);
return texture(Texture5, pos);
return texture2D(Texture6, pos);
return texture(Texture6, pos);
}
void main()
{
vec4 x = Sample(vTexSampler.s, vTexCoord.st);
vec2 p = vec2(dot(x, vChannelMask), vTexMetadata.s);
vec4 c = vPalettedFraction * texture2D(Palette, p) + vRGBAFraction * x + vColorFraction * vTexCoord;
vec4 c = vPalettedFraction * texture(Palette, p) + vRGBAFraction * x + vColorFraction * vTexCoord;
// Discard any transparent fragments (both color and depth)
if (c.a == 0.0)
@@ -79,8 +88,8 @@ void main()
float r = clamp(jet_r(x), 0.0, 1.0);
float g = clamp(jet_g(x), 0.0, 1.0);
float b = clamp(jet_b(x), 0.0, 1.0);
gl_FragColor = vec4(r, g, b, 1.0);
fragColor = vec4(r, g, b, 1.0);
}
else
gl_FragColor = c;
fragColor = c;
}