From 82b0103c6789041b721b1de30746ce21a556ab4d Mon Sep 17 00:00:00 2001 From: aap Date: Wed, 18 Nov 2020 10:27:55 +0100 Subject: changes to librw layer, GLES now runtime choice --- src/extras/shaders/colourfilterIII_fs_gl.inc | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/extras/shaders/colourfilterIII_fs_gl.inc (limited to 'src/extras/shaders/colourfilterIII_fs_gl.inc') diff --git a/src/extras/shaders/colourfilterIII_fs_gl.inc b/src/extras/shaders/colourfilterIII_fs_gl.inc new file mode 100644 index 00000000..6fd1935b --- /dev/null +++ b/src/extras/shaders/colourfilterIII_fs_gl.inc @@ -0,0 +1,26 @@ +const char *colourfilterIII_frag_src = +"uniform sampler2D tex0;\n" +"uniform vec4 u_blurcolor;\n" + +"FSIN vec4 v_color;\n" +"FSIN vec2 v_tex0;\n" +"FSIN float v_fog;\n" + +"void\n" +"main(void)\n" +"{\n" +" float a = u_blurcolor.a;\n" +" vec4 dst = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));\n" +" vec4 prev = dst;\n" +" for(int i = 0; i < 5; i++){\n" +" vec4 tmp = dst*(1.0-a) + prev*u_blurcolor*a;\n" +" prev = clamp(tmp, 0.0, 1.0);\n" +" }\n" +" vec4 color;\n" +" color.rgb = prev.rgb;\n" +" color.a = 1.0f;\n" + +" FRAGCOLOR(color);\n" +"}\n" + +; -- cgit v1.2.3