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Let's not use #define in GLSL ES shaders.

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There are rumours that Vivante chips hate these.
This commit is contained in:
Henrik Rydgård 2013-10-29 11:37:16 +01:00
parent a7640a4401
commit 4352d720d8
1 changed files with 3 additions and 4 deletions
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7
GPU/GLES/FragmentShaderGenerator.cpp
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@ -196,15 +196,14 @@ void ComputeFragmentShaderID(FragmentShaderID *id) {
void GenerateFragmentShader(char *buffer) {
char *p = buffer;
bool highpFog = false;
#if defined(GLSL_ES_1_0)
WRITE(p, "#version 100\n"); // GLSL ES 1.0
WRITE(p, "precision lowp float;\n");
// PowerVR needs highp to do the fog in MHU correctly.
// Others don't, and some can't handle highp in the fragment shader.
if (gl_extensions.gpuVendor != GPU_VENDOR_POWERVR) {
WRITE(p, "#define highp mediump\n");
}
highpFog = gl_extensions.gpuVendor == GPU_VENDOR_POWERVR;
#elif !defined(FORCE_OPENGL_2_0)
WRITE(p, "#version 110\n");
// Remove lowp/mediump in non-mobile implementations
@ -246,7 +245,7 @@ void GenerateFragmentShader(char *buffer) {
WRITE(p, "varying lowp vec3 v_color1;\n");
if (enableFog) {
WRITE(p, "uniform lowp vec3 u_fogcolor;\n");
WRITE(p, "varying highp float v_fogdepth;\n");
WRITE(p, "varying %s float v_fogdepth;\n", highpFog ? "highp" : "mediump");
}
if (doTexture)
{