X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fcommands_backend.cpp;h=d655134d032fdf95cf05fe6a5d7941868cd2c341;hb=016f0f0dd51511f98d0bf398d99199d7dec1543c;hp=b7a342defb5ab741eb16f3b9c3bc06af6f8d7555;hpb=edc150206f9762facf37b419705ddb8cf21f4e4c;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/commands_backend.cpp b/source/backends/vulkan/commands_backend.cpp
index b7a342de..d655134d 100644
--- a/source/backends/vulkan/commands_backend.cpp
+++ b/source/backends/vulkan/commands_backend.cpp
@@ -31,11 +31,12 @@ VulkanCommands::~VulkanCommands()
 
 void VulkanCommands::begin_buffer(VkRenderPass render_pass)
 {
-	if(!current_pool)
+	if(frame_index>=command_pools.size())
 		throw invalid_operation("VulkanCommands::begin_buffer");
 
 	const VulkanFunctions &vk = device.get_functions();
 
+	CommandPool *current_pool = &command_pools[frame_index];
 	if(!current_pool->in_use)
 	{
 		current_pool->fence.reset();
@@ -96,11 +97,15 @@ void VulkanCommands::begin_render_pass(bool clear, const ClearValue *clear_value
 		if(dynamic_cast<const SwapChainTexture *>(framebuffer->get_attachment(i)))
 			fb_is_swapchain = true;
 
-	discard_fb_contents = (clear && !viewport);
+	Rect fb_rect = framebuffer->get_rect();
+	Rect render_area = fb_rect.intersect(viewport);
+	bool full_viewport = render_area==fb_rect;
+	discard_fb_contents = (clear && full_viewport);
 
 	framebuffer->refresh();
 
-	VkRenderPass render_pass = device.get_pipeline_cache().get_render_pass(framebuffer->get_format(), clear, (!clear_values && !viewport), fb_is_swapchain);
+	VkRenderPass render_pass = device.get_pipeline_cache().get_render_pass(framebuffer->get_format(),
+		clear, (!clear_values && full_viewport), fb_is_swapchain);
 	begin_buffer(render_pass);
 
 	StructureBuilder sb(pass_begin_info, 2);
@@ -111,18 +116,10 @@ void VulkanCommands::begin_render_pass(bool clear, const ClearValue *clear_value
 	begin_info->renderPass = handle_cast<::VkRenderPass>(render_pass);
 	begin_info->framebuffer = handle_cast<::VkFramebuffer>(framebuffer->handle);
 
-	if(viewport)
-	{
-		begin_info->renderArea.offset.x = viewport->left;
-		begin_info->renderArea.offset.y = viewport->bottom;
-		begin_info->renderArea.extent.width = viewport->width;
-		begin_info->renderArea.extent.height = viewport->height;
-	}
-	else
-	{
-		begin_info->renderArea.extent.width = framebuffer->get_width();
-		begin_info->renderArea.extent.height = framebuffer->get_height();
-	}
+	begin_info->renderArea.offset.x = render_area.left;
+	begin_info->renderArea.offset.y = render_area.bottom;
+	begin_info->renderArea.extent.width = render_area.width;
+	begin_info->renderArea.extent.height = render_area.height;
 
 	if(clear_values)
 	{
@@ -168,7 +165,7 @@ void VulkanCommands::end_render_pass()
 	vk.CmdEndRenderPass(primary_buffer);
 
 	framebuffer = 0;
-	viewport = 0;
+	viewport = Rect::max();
 	pass_buffer = 0;
 }
 
@@ -176,15 +173,15 @@ void VulkanCommands::begin_frame(unsigned index)
 {
 	const VulkanFunctions &vk = device.get_functions();
 
-	unsigned pool_index = index%device.get_n_frames_in_flight();
-	if(pool_index>=command_pools.size())
+	frame_index = index%device.get_n_frames_in_flight();
+	if(frame_index>=command_pools.size())
 	{
-		command_pools.reserve(pool_index+1);
-		for(unsigned i=command_pools.size(); i<pool_index+1; ++i)
+		command_pools.reserve(frame_index+1);
+		for(unsigned i=command_pools.size(); i<frame_index+1; ++i)
 			command_pools.emplace_back(device);
 	}
 
-	current_pool = &command_pools[pool_index];
+	CommandPool *current_pool = &command_pools[frame_index];
 	if(current_pool->in_use)
 	{
 		current_pool->fence.wait();
@@ -220,7 +217,7 @@ void VulkanCommands::submit_frame(Semaphore *wait_sem, Semaphore *signal_sem)
 	submit_info.signalSemaphoreCount = (signal_sem ? 1 : 0);
 	submit_info.pSignalSemaphores = &vk_signal_sem;
 
-	vk.QueueSubmit(1, &submit_info, current_pool->fence.handle);
+	vk.QueueSubmit(1, &submit_info, command_pools[frame_index].fence.handle);
 
 	primary_buffer = 0;
 }
@@ -258,7 +255,7 @@ void VulkanCommands::draw_instanced(const Batch &batch, unsigned count)
 		 begin_render_pass(false, 0);
 
 	pipeline_state->refresh();
-	pipeline_state->apply(pass_buffer, fb_is_swapchain);
+	pipeline_state->apply(pass_buffer, frame_index, fb_is_swapchain);
 	unsigned first_index = batch.get_offset()/batch.get_index_size();
 	vk.CmdDrawIndexed(pass_buffer, batch.size(), count, first_index, 0, 0);
 }