From 737df2a68cd5c5cdfa1e73cede0dbf85bde01abc Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Sat, 13 Jul 2013 17:24:23 -0500
Subject: Patch from Degasus that removes the last of the the
 GL_TEXTURE_RECTANGLE usages. This is needed to have GLES3 support.

---
 Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp')

diff --git a/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp b/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
index 1da28f9cc5..1eed65a01e 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/ProgramShaderCache.cpp
@@ -509,7 +509,6 @@ void ProgramShaderCache::CreateHeader ( void )
 	snprintf(s_glsl_header, sizeof(s_glsl_header), 
 		"#version %s\n"
 		"%s\n" // default precision
-		"%s\n" // tex_rect
 		"%s\n" // ubo
 		
 		"\n"// A few required defines and ones that will make our lives a lot easier
@@ -534,10 +533,14 @@ void ProgramShaderCache::CreateHeader ( void )
 		"%s\n"
 		"%s\n"
 		"#define COLOROUT(name) %s\n"
+		
+		// texture2d hack
+		"%s\n"
+		"%s\n"
+		"%s\n"
 				
 		, v==GLSLES3 ? "300 es" : v==GLSL_120 ? "120" : v==GLSL_130 ? "130" : "140"
 		, v==GLSLES3 ? "precision highp float;" : ""
-		, v==GLSLES3 ? "" : v<=GLSL_130 ? "#extension GL_ARB_texture_rectangle : enable" : "#define texture2DRect texture"
 		, g_ActiveConfig.backend_info.bSupportsGLSLUBO && v<GLSL_140 ? "#extension GL_ARB_uniform_buffer_object : enable" : ""
 		, v==GLSL_120 ? "attribute" : "in"
 		, v==GLSL_120 ? "attribute" : "out"
@@ -549,6 +552,9 @@ void ProgramShaderCache::CreateHeader ( void )
 		, v==GLSL_120 ? "#define ocol0 gl_FragColor" : ""
 		, v==GLSL_120 ? "#define ocol1 gl_FragColor" : "" //TODO: implement dual source blend
 		, v==GLSL_120 ? "" : "out vec4 name;"
+		, v==GLSL_120 ? "#extension GL_ARB_texture_rectangle : enable" : ""
+		, v==GLSL_120 ? "" : "#define texture2DRect(samp, uv)  texelFetch(samp, ivec2(floor(uv)), 0)"
+		, v==GLSL_120 ? "" : "#define sampler2DRect sampler2D"
 	);
 }
 
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