X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fpipelinestate_backend.cpp;h=a1a03d3d8fcb31d2646027036bb4936a237d4194;hp=419a7e4c149545b3de9ce19cd211da7bef5e563d;hb=b0db98d71aeb32d9e57315b8a06ff4068aeccbca;hpb=fd92cb5c68eefa4d32fbedbfa41fecc433a886a3

diff --git a/source/backends/vulkan/pipelinestate_backend.cpp b/source/backends/vulkan/pipelinestate_backend.cpp
index 419a7e4c..a1a03d3d 100644
--- a/source/backends/vulkan/pipelinestate_backend.cpp
+++ b/source/backends/vulkan/pipelinestate_backend.cpp
@@ -356,7 +356,7 @@ unsigned VulkanPipelineState::fill_descriptor_writes(unsigned index, vector<char
 	return n_writes;
 }
 
-void VulkanPipelineState::apply(VkCommandBuffer command_buffer) const
+void VulkanPipelineState::apply(VkCommandBuffer command_buffer, bool negative_viewport) const
 {
 	const PipelineState &self = *static_cast<const PipelineState *>(this);
 	const VulkanFunctions &vk = device.get_functions();
@@ -387,7 +387,7 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer) const
 	if(self.viewport)
 	{
 		viewport.x = self.viewport->left;
-		viewport.y = self.framebuffer->get_height()-(self.viewport->bottom+self.viewport->height);
+		viewport.y = self.viewport->bottom;
 		viewport.width = self.viewport->width;
 		viewport.height = self.viewport->height;
 	}
@@ -398,6 +398,11 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer) const
 		viewport.width = self.framebuffer->get_width();
 		viewport.height = self.framebuffer->get_height();
 	}
+	if(negative_viewport)
+	{
+		viewport.y += viewport.height;
+		viewport.height = -viewport.height;
+	}
 	viewport.minDepth = 0.0f;
 	viewport.maxDepth = 1.0f;
 	vk.CmdSetViewport(command_buffer, 0, 1, &viewport);
@@ -406,7 +411,7 @@ void VulkanPipelineState::apply(VkCommandBuffer command_buffer) const
 	if(self.scissor)
 	{
 		scissor.offset.x = self.scissor->left;
-		scissor.offset.y = self.framebuffer->get_height()-(self.scissor->bottom+self.scissor->height);
+		scissor.offset.y = self.scissor->bottom;
 		scissor.extent.width = self.scissor->width;
 		scissor.extent.height = self.scissor->height;
 	}