#include <msp/gl/extensions/arb_draw_instanced.h>
#include <msp/gl/extensions/ext_framebuffer_blit.h>
#include <msp/gl/extensions/ext_framebuffer_object.h>
+#include <msp/gl/extensions/msp_clear_buffer.h>
#include "batch.h"
#include "commands.h"
+#include "error.h"
#include "gl.h"
#include "pipelinestate.h"
pipeline_state(0)
{ }
-void Commands::use_pipeline(const PipelineState &ps)
+void Commands::use_pipeline(const PipelineState *ps)
{
- pipeline_state = &ps;
+ pipeline_state = ps;
+ if(!pipeline_state)
+ PipelineState::clear();
}
-void Commands::clear(BufferBits buffers)
+void Commands::clear(const ClearValue *values)
{
- pipeline_state->apply();
- glClear(buffers);
+ const Framebuffer *target = pipeline_state->get_framebuffer();
+ if(!target)
+ throw invalid_operation("OpenGLCommands::clear");
+
+ if(!ARB_direct_state_access)
+ {
+ static Require _req(MSP_clear_buffer);
+ pipeline_state->apply();
+ }
+
+ unsigned i = 0;
+ for(FrameAttachment a: target->get_format())
+ {
+ if(get_attach_point(a)==get_attach_point(DEPTH_ATTACHMENT))
+ {
+ if(ARB_direct_state_access)
+ glClearNamedFramebufferfv(target->id, GL_DEPTH, 0, &values->depth_stencil.depth);
+ else
+ glClearBufferfv(GL_DEPTH, 0, &values->depth_stencil.depth);
+ }
+ else if(get_attach_point(a)==get_attach_point(STENCIL_ATTACHMENT))
+ {
+ if(ARB_direct_state_access)
+ glClearNamedFramebufferiv(target->id, GL_STENCIL, 0, &values->depth_stencil.stencil);
+ else
+ glClearBufferiv(GL_STENCIL, 0, &values->depth_stencil.stencil);
+ }
+ else
+ {
+ if(ARB_direct_state_access)
+ glClearNamedFramebufferfv(target->id, GL_COLOR, i++, &values->color.r);
+ else
+ glClearBufferfv(GL_COLOR, i++, &values->color.r);
+ }
+ ++values;
+ }
}
void Commands::draw(const Batch &batch)
glDrawElementsInstanced(batch.get_gl_primitive_type(), batch.size(), batch.get_gl_index_type(), data_ptr, count);
}
-void Commands::resolve_multisample(Framebuffer &target, BufferBits buffers)
+void Commands::resolve_multisample(Framebuffer &target)
{
static Require _req(EXT_framebuffer_blit);
unsigned width = min(source->get_width(), target.get_width());
unsigned height = min(source->get_height(), target.get_height());
+ unsigned buffers = get_gl_buffer_bits(source->get_format())&get_gl_buffer_bits(target.get_format());
if(ARB_direct_state_access)
glBlitNamedFramebuffer(source->id, target.id, 0, 0, width, height, 0, 0, width, height, buffers, GL_NEAREST);