X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Fdevice_backend.cpp;h=0fcbe07212ccb93783af6e473a7177783d9b98b2;hb=HEAD;hp=1c51b132ca48500a26f5b78841bbb2e99c855cd3;hpb=d16d28d2ccf7c6255204f02975834f713ff1df08;p=libs%2Fgl.git

diff --git a/source/backends/opengl/device_backend.cpp b/source/backends/opengl/device_backend.cpp
index 1c51b132..0fcbe072 100644
--- a/source/backends/opengl/device_backend.cpp
+++ b/source/backends/opengl/device_backend.cpp
@@ -3,6 +3,7 @@
 #include <msp/gl/extensions/arb_explicit_uniform_location.h>
 #include <msp/gl/extensions/arb_gpu_shader5.h>
 #include <msp/gl/extensions/arb_separate_shader_objects.h>
+#include <msp/gl/extensions/arb_shader_image_load_store.h>
 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
 #include <msp/gl/extensions/arb_vertex_shader.h>
 #include <msp/gl/extensions/ext_framebuffer_multisample.h>
@@ -25,6 +26,14 @@ OpenGLDevice::OpenGLDevice(Graphics::Window &wnd, const Graphics::GLOptions &opt
 	context(wnd, opts)
 { }
 
+Graphics::GLOptions OpenGLDevice::create_default_options()
+{
+	Graphics::GLOptions opts;
+	opts.gl_version_major = Graphics::GLOptions::LATEST_VERSION;
+	opts.core_profile = true;
+	return opts;
+}
+
 void OpenGLDevice::fill_info()
 {
 	DeviceInfo &info = static_cast<Device *>(this)->info;
@@ -54,6 +63,8 @@ void OpenGLDevice::fill_info()
 		glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, reinterpret_cast<int *>(&lim.max_vertex_attributes));
 		glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, reinterpret_cast<int *>(&lim.max_texture_bindings));
 	}
+	if(ARB_shader_image_load_store)
+		glGetIntegerv(GL_MAX_IMAGE_UNITS, reinterpret_cast<int *>(&lim.max_storage_texture_bindings));
 	if(EXT_framebuffer_object)
 		glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, reinterpret_cast<int *>(&lim.max_color_attachments));
 	if(EXT_framebuffer_multisample)
@@ -79,6 +90,11 @@ void OpenGLDevice::fill_info()
 	feat.ext_texture_array = EXT_texture_array;
 	feat.uniform_binding_range = lim.max_uniform_bindings;
 	feat.texture_binding_range = lim.max_texture_bindings;
+	feat.storage_texture_binding_range = lim.max_storage_texture_bindings;
+
+	state.bound_tex_targets.resize(lim.max_texture_bindings);
+	state.bound_storage_textures.resize(lim.max_storage_texture_bindings);
+	state.bound_uniform_blocks.resize(lim.max_uniform_bindings);
 }
 
 } // namespace GL