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don't hardcode shader cross compilation target version but poll it

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This commit is contained in:
LazyBumHorse 2019-05-25 12:32:34 +02:00
parent 4087a3cef5
commit 662b473e9f
1 changed files with 21 additions and 2 deletions
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23
gfx/drivers_shader/shader_gl_core.cpp
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@ -85,6 +85,26 @@ static GLuint gl_core_compile_shader(GLenum stage, const char *source)
return shader;
}
static uint32_t gl_core_get_cross_compiler_target_version()
{
const char *version = (const char*)glGetString(GL_VERSION);
unsigned major = 0;
unsigned minor = 0;
unsigned patch = 0;
#ifdef HAVE_OPENGLES3
if (version && sscanf(version, "OpenGL ES %u.%u.%u", &major, &minor, &patch) < 2)
return 300u;
#else
if (version && sscanf(version, "%u.%u.%u", &major, &minor, &patch) < 2)
return 150u;
#endif
if (major == 3u && minor == 2u)
return 150u;
return 100u * major + 10u * minor + patch;
}
GLuint gl_core_cross_compile_program(
const uint32_t *vertex, size_t vertex_size,
const uint32_t *fragment, size_t fragment_size,
@ -100,11 +120,10 @@ GLuint gl_core_cross_compile_program(
spirv_cross::CompilerGLSL::Options opts;
#ifdef HAVE_OPENGLES3
opts.es = true;
opts.version = 300;
#else
opts.es = false;
opts.version = 150;
#endif
opts.version = gl_core_get_cross_compiler_target_version();
opts.fragment.default_float_precision = spirv_cross::CompilerGLSL::Options::Precision::Highp;
opts.fragment.default_int_precision = spirv_cross::CompilerGLSL::Options::Precision::Highp;
opts.enable_420pack_extension = false;