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better handling of existing #version directive in glsl shaders.

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This commit is contained in:
aliaspider 2017-05-11 05:14:11 +01:00
parent f060863d40
commit 1223309052
1 changed files with 10 additions and 15 deletions
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25
gfx/drivers_shader/shader_glsl.c
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@ -261,22 +261,17 @@ static bool gl_glsl_compile_shader(glsl_shader_data_t *glsl,
version[0] = '\0';
if(existing_version)
if (existing_version)
{
int len = 8;
while(existing_version[len] && isspace(existing_version[len]))
len++;
while(existing_version[len] && !isspace(existing_version[len]))
len++;
program = existing_version + len;
if(len > (sizeof(version) - 2))
len = sizeof(version) - 2;
strncpy(version, existing_version, len);
version[len] = '\n';
version[len + 1] = '\0';
unsigned version_no = strtoul(existing_version + 8, (char**)&program, 10);
#ifdef HAVE_OPENGLES
if (version_no < 130)
version_no = 100;
else
version_no = 300;
#endif
snprintf(version, sizeof(version), "#version %u\n", version_no);
RARCH_LOG("[GLSL]: Using GLSL version %u.\n", version_no);
}
else if (glsl_core)
{