Add support for storage images in Renderer and PipelineState

[libs/gl.git] / source / backends / opengl / commands_backend.cpp

diff --git a/source/backends/opengl/commands_backend.cpp b/source/backends/opengl/commands_backend.cpp
index 97b4f12c7400857cb9f31162bb5f19180817c686..7d599153e74e10ecec77bd603af376783b021286 100644 (file)
--- a/source/backends/opengl/commands_backend.cpp
+++ b/source/backends/opengl/commands_backend.cpp
@@ -18,6 +18,11 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
+void OpenGLCommands::submit_frame()
+{
+       glFlush();
+}
+
 void OpenGLCommands::use_pipeline(const PipelineState *ps)
 {
        pipeline_state = ps;
@@ -31,6 +36,9 @@ void OpenGLCommands::clear(const ClearValue *values)
        if(!target)
                throw invalid_operation("OpenGLCommands::clear");
 
+       if(!values)
+               return;
+
        static Require _req(MSP_clear_buffer);
 
        pipeline_state->apply();
@@ -83,7 +91,10 @@ void OpenGLCommands::resolve_multisample(Framebuffer &target)
        unsigned buffers = get_gl_buffer_bits(source->get_format())&get_gl_buffer_bits(target.get_format());
 
        if(ARB_direct_state_access)
+       {
+               target.refresh();
                glBlitNamedFramebuffer(source->id, target.id, 0, 0, width, height, 0, 0, width, height, buffers, GL_NEAREST);
+       }
        else
        {
                glBindFramebuffer(GL_READ_FRAMEBUFFER, source->id);