eac4c984df
This commit adds a new rendering backend, GLES2, and adds a project setting to enable it. Currently this backend can only be used on the X11 platform, but integrating into other platforms is planned.
45 lines
703 B
GLSL
45 lines
703 B
GLSL
[vertex]
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layout(location=0) in highp vec4 vertex_attrib;
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layout(location=4) in vec2 uv_in;
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out vec2 uv_interp;
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void main() {
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uv_interp = uv_in;
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gl_Position = vertex_attrib;
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}
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[fragment]
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#if !defined(GLES_OVER_GL)
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precision mediump float;
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#endif
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in vec2 uv_interp;
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uniform sampler2D source_specular; //texunit:0
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uniform sampler2D source_ssr; //texunit:1
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uniform vec2 pixel_size;
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in vec2 uv2_interp;
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layout(location = 0) out vec4 frag_color;
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void main() {
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vec4 specular = texture( source_specular, uv_interp );
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#ifdef USE_SSR
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vec4 ssr = textureLod(source_ssr,uv_interp,0.0);
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specular.rgb = mix(specular.rgb,ssr.rgb*specular.a,ssr.a);
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#endif
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frag_color = vec4(specular.rgb,1.0);
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}
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