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authorAndrei Karas <akaras@inbox.ru>2014-06-19 13:39:09 +0300
committerAndrei Karas <akaras@inbox.ru>2014-06-19 13:39:09 +0300
commit74de6dfb0178032d5bc0a4ccf53366fbe5e1078b (patch)
tree708cf9bf6334bf08107950e4ad12fb561cd4f280 /src/graphicsmanager.cpp
parent6df4fbf165fdc4259c55e8b4d78de2294d6bb059 (diff)
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Simplify OpenGL extensions detection again.
Diffstat (limited to 'src/graphicsmanager.cpp')
-rw-r--r--src/graphicsmanager.cpp45
1 files changed, 17 insertions, 28 deletions
diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 8df17721e..d1dd65f30 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -832,10 +832,8 @@ void GraphicsManager::initOpenGLFunctions()
{
const bool is10 = checkGLVersion(1, 0);
const bool is11 = checkGLVersion(1, 1);
- const bool is15 = checkGLVersion(1, 5);
const bool is20 = checkGLVersion(2, 0);
const bool is21 = checkGLVersion(2, 1);
- const bool is30 = checkGLVersion(3, 0);
mSupportModernOpengl = true;
// Texture sampler
@@ -967,6 +965,15 @@ void GraphicsManager::initOpenGLFunctions()
{
logger->log1("GL_EXT_debug_marker not found");
}
+ if (is20 && supportExtension("GL_ARB_invalidate_subdata"))
+ {
+ logger->log1("found GL_ARB_invalidate_subdata");
+ assignFunction(glInvalidateTexImage, "glInvalidateTexImage");
+ }
+ else
+ {
+ logger->log1("GL_ARB_invalidate_subdata not supported");
+ }
if (is21 && supportExtension("GL_ARB_vertex_array_object"))
{
logger->log1("found GL_ARB_vertex_array_object");
@@ -984,7 +991,7 @@ void GraphicsManager::initOpenGLFunctions()
mSupportModernOpengl = false;
logger->log1("GL_ARB_vertex_array_object not found");
}
- if (is15)
+ if (supportExtension("GL_ARB_vertex_buffer_object"))
{
assignFunction(glGenBuffers, "glGenBuffers");
assignFunction(glDeleteBuffers, "glDeleteBuffers");
@@ -997,7 +1004,7 @@ void GraphicsManager::initOpenGLFunctions()
mSupportModernOpengl = false;
logger->log1("buffers extension not found");
}
- if (is20)
+ if (supportExtension("GL_ARB_shader_objects"))
{
assignFunction(glCreateShader, "glCreateShader");
assignFunction(glDeleteShader, "glDeleteShader");
@@ -1019,28 +1026,19 @@ void GraphicsManager::initOpenGLFunctions()
assignFunction(glUseProgram, "glUseProgram");
assignFunction(glValidateProgram, "glValidateProgram");
assignFunction(glGetAttribLocation, "glGetAttribLocation");
+ assignFunction(glUniform1f, "glUniform1f");
+ assignFunction(glUniform2f, "glUniform2f");
+ assignFunction(glUniform3f, "glUniform3f");
+ assignFunction(glUniform4f, "glUniform4f");
- if (is30)
+ if (supportExtension("GL_EXT_gpu_shader4"))
{
assignFunction(glBindFragDataLocation, "glBindFragDataLocation");
}
else
{
mSupportModernOpengl = false;
- logger->log1("shaders functions incomplete (OpenGL < 3.0)");
- }
- if (supportExtension("GL_ARB_separate_shader_objects"))
- {
- logger->log1("found GL_ARB_separate_shader_objects");
- assignFunction(glUniform1f, "glUniform1f");
- assignFunction(glUniform2f, "glUniform2f");
- assignFunction(glUniform3f, "glUniform3f");
- assignFunction(glUniform4f, "glUniform4f");
- }
- else
- {
- mSupportModernOpengl = false;
- logger->log1("GL_ARB_separate_shader_objects not supported");
+ logger->log1("GL_EXT_gpu_shader4 not supported");
}
if (supportExtension("GL_ARB_separate_shader_objects"))
{
@@ -1067,15 +1065,6 @@ void GraphicsManager::initOpenGLFunctions()
mSupportModernOpengl = false;
logger->log1("GL_ARB_vertex_attrib_binding not supported");
}
- if (supportExtension("GL_ARB_invalidate_subdata"))
- {
- logger->log1("found GL_ARB_invalidate_subdata");
- assignFunction(glInvalidateTexImage, "glInvalidateTexImage");
- }
- else
- {
- logger->log1("GL_ARB_invalidate_subdata not supported");
- }
if (supportExtension("GL_ARB_multi_bind"))
{
logger->log1("found GL_ARB_multi_bind");