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remove duplicate shaders

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This commit is contained in:
FunkyFr3sh 2023-08-29 17:35:09 +02:00
parent 3716807d3d
commit f85ffee65a
4 changed files with 44 additions and 246 deletions
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29
src/opengl_utils.c
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@ -247,12 +247,33 @@ BOOL oglu_ext_exists(char* ext, HDC hdc)
return FALSE;
}
GLuint oglu_build_program(const GLchar* vert_source, const GLchar* frag_source)
GLuint oglu_build_program(GLchar* vert_source, GLchar* frag_source, BOOL core_profile)
{
if (!glCreateShader || !glShaderSource || !glCompileShader || !glCreateProgram ||
!glAttachShader || !glLinkProgram || !glUseProgram || !glDetachShader)
!glAttachShader || !glLinkProgram || !glUseProgram || !glDetachShader ||
!vert_source || !frag_source)
return 0;
char* version_start = strstr(vert_source, "#version");
if (version_start && core_profile)
{
if (_strnicmp(version_start, "#version 130", 12) == 0 ||
_strnicmp(version_start, "#version 140", 12) == 0)
{
memcpy(version_start, "#version 150", 12);
}
}
version_start = strstr(frag_source, "#version");
if (version_start && core_profile)
{
if (_strnicmp(version_start, "#version 130", 12) == 0 ||
_strnicmp(version_start, "#version 140", 12) == 0)
{
memcpy(version_start, "#version 150", 12);
}
}
GLuint vert_shader = glCreateShader(GL_VERTEX_SHADER);
GLuint frag_shader = glCreateShader(GL_FRAGMENT_SHADER);
@ -401,7 +422,7 @@ GLuint oglu_build_program_from_file(const char* file_path, BOOL core_profile)
strcat(vert_source, version + strlen(version) + 1);
strcat(frag_source, version + strlen(version) + 1);
program = oglu_build_program(vert_source, frag_source);
program = oglu_build_program(vert_source, frag_source, core_profile);
}
else
{
@ -412,7 +433,7 @@ GLuint oglu_build_program_from_file(const char* file_path, BOOL core_profile)
strcat(vert_source, source);
strcat(frag_source, source);
program = oglu_build_program(vert_source, frag_source);
program = oglu_build_program(vert_source, frag_source, core_profile);
}
free(vert_source);