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Mostly fixed the precision of love's uniform matrices not matching between shader stages in OpenGL ES.

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This commit is contained in:
Alex Szpakowski
2015-04-10 13:00:36 -03:00
parent 4c9b2105cd
commit f2ab02da13
2 changed files with 47 additions and 10 deletions
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src/scripts/graphics.lua
+11 -3
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@@ -42,9 +42,17 @@ GLSL.SYNTAX = [[
-- Uniforms shared by the vertex and pixel shader stages.
GLSL.UNIFORMS = [[
#ifdef GL_ES
uniform mat4 TransformMatrix;
uniform mat4 ProjectionMatrix;
uniform mat4 TransformProjectionMatrix;
// According to the GLSL ES 1.0 spec, uniform precision must match between stages,
// but we can't guarantee that highp is always supported in fragment shaders...
// We *really* don't want to use mediump for these in vertex shaders though.
#if defined(VERTEX) || defined(GL_FRAGMENT_PRECISION_HIGH)
#define LOVE_UNIFORM_PRECISION highp
#else
#define LOVE_UNIFORM_PRECISION mediump
#endif
uniform LOVE_UNIFORM_PRECISION mat4 TransformMatrix;
uniform LOVE_UNIFORM_PRECISION mat4 ProjectionMatrix;
uniform LOVE_UNIFORM_PRECISION mat4 TransformProjectionMatrix;
#else
#define TransformMatrix gl_ModelViewMatrix
#define ProjectionMatrix gl_ProjectionMatrix
src/scripts/graphics.lua.h
+36 -7
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@@ -109,13 +109,42 @@ const unsigned char graphics_lua[] =
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