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OGL fix extension directive in the middle of a shader

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This commit is contained in:
XProger 2019-02-27 05:26:47 +03:00
parent fc8f656ce4
commit 664ada9bfb
1 changed files with 19 additions and 15 deletions
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34
src/gapi_gl.h
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@ -51,6 +51,7 @@
#define GL_UNSIGNED_INT_24_8 GL_UNSIGNED_INT_24_8_OES
#define glTexImage3D(...) 0
#define GL_TEXTURE_3D GL_TEXTURE_3D_OES
#define glGenVertexArrays(...)
#define glDeleteVertexArrays(...)
@ -1205,7 +1206,17 @@ namespace GAPI {
glClearColor(0, 0, 0, 0);
#endif
GLSL_HEADER_VERT[0] = GLSL_HEADER_FRAG[0] = 0;
char extHeader[256];
GLSL_HEADER_VERT[0] = GLSL_HEADER_FRAG[0] = extHeader[0] = 0;
if (_GL_OES_standard_derivatives) {
strcat(extHeader, "#extension GL_OES_standard_derivatives : enable\n");
}
if (_GL_EXT_shadow_samplers && !_GL_ARB_shadow) {
strcat(extHeader, "#extension GL_EXT_shadow_samplers : enable\n");
strcat(extHeader, "#define USE_GL_EXT_shadow_samplers\n");
}
#ifdef _GAPI_GLES
if (GLES3) {
// vertex
@ -1217,8 +1228,9 @@ namespace GAPI {
"#define attribute in\n"
"#define texture2D texture\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 300 es\n"
"precision lowp int;\n"
strcat(GLSL_HEADER_FRAG, "#version 300 es\n");
strcat(GLSL_HEADER_FRAG, extHeader);
strcat(GLSL_HEADER_FRAG, "precision lowp int;\n"
"precision highp float;\n"
"precision lowp sampler3D;\n"
"#define FRAGMENT\n"
@ -1235,6 +1247,7 @@ namespace GAPI {
"#define VERTEX\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 100\n");
strcat(GLSL_HEADER_FRAG, extHeader);
strcat(GLSL_HEADER_FRAG, "precision lowp int;\n"
"precision highp float;\n"
"#define FRAGMENT\n"
@ -1249,20 +1262,11 @@ namespace GAPI {
strcat(GLSL_HEADER_VERT, "#version 110\n"
"#define VERTEX\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 110\n"
"#define FRAGMENT\n"
strcat(GLSL_HEADER_FRAG, "#version 110\n");
strcat(GLSL_HEADER_FRAG, extHeader);
strcat(GLSL_HEADER_FRAG, "#define FRAGMENT\n"
"#define fragColor gl_FragColor\n");
#endif
if (_GL_OES_standard_derivatives) {
strcat(GLSL_HEADER_FRAG, "#extension GL_OES_standard_derivatives : enable\n");
}
if (_GL_EXT_shadow_samplers && !_GL_ARB_shadow) {
strcat(GLSL_HEADER_FRAG, "#extension GL_EXT_shadow_samplers : enable\n");
strcat(GLSL_HEADER_FRAG, "#define USE_GL_EXT_shadow_samplers\n");
}
ASSERT(strlen(GLSL_HEADER_VERT) < COUNT(GLSL_HEADER_VERT));
ASSERT(strlen(GLSL_HEADER_FRAG) < COUNT(GLSL_HEADER_FRAG));
}