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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2019-2022 Baldur Karlsson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#include "vk_test.h"
RD_TEST(VK_Discard_Rectangles, VulkanGraphicsTest)
{
static constexpr const char *Description =
"Draws a large number of triangles using VK_EXT_discard_rectangles discard rectangles to "
"either cut-out or filter for a series of rects";
void Prepare(int argc, char **argv)
{
devExts.push_back(VK_EXT_DISCARD_RECTANGLES_EXTENSION_NAME);
VulkanGraphicsTest::Prepare(argc, argv);
}
int main()
{
// initialise, create window, create context, etc
if(!Init())
return 3;
VkPhysicalDeviceDiscardRectanglePropertiesEXT discardProps = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DISCARD_RECTANGLE_PROPERTIES_EXT};
vkGetPhysicalDeviceProperties2KHR(phys, vkh::PhysicalDeviceProperties2KHR().next(&discardProps));
const int32_t w = (int32_t)mainWindow->scissor.extent.width;
const int32_t h = (int32_t)mainWindow->scissor.extent.height;
VkRect2D discardRects[] = {
// TL eye
{{64, 64}, {64, 64}},
// TR eye
{{w - 64 * 2, 64}, {64, 64}},
// nose
{{w / 2 - 16, 128}, {32, 32}},
// long mouth
{{96, h - 48}, {(uint32_t)w - 96 * 2, 32}},
// left mouth edge
{{64, h - 48 - 32}, {32, 32}},
// right mouth edge
{{w - 96, h - 48 - 32}, {32, 32}},
};
TEST_ASSERT(discardProps.maxDiscardRectangles >= ARRAY_COUNT(discardRects),
"not enough discard rectangles supported");
VkPipelineLayout layout = createPipelineLayout(vkh::PipelineLayoutCreateInfo());
vkh::GraphicsPipelineCreateInfo pipeCreateInfo;
pipeCreateInfo.layout = layout;
pipeCreateInfo.renderPass = mainWindow->rp;
pipeCreateInfo.vertexInputState.vertexBindingDescriptions = {vkh::vertexBind(0, DefaultA2V)};
pipeCreateInfo.vertexInputState.vertexAttributeDescriptions = {
vkh::vertexAttr(0, 0, DefaultA2V, pos), vkh::vertexAttr(1, 0, DefaultA2V, col),
vkh::vertexAttr(2, 0, DefaultA2V, uv),
};
pipeCreateInfo.stages = {
CompileShaderModule(VKDefaultVertex, ShaderLang::glsl, ShaderStage::vert, "main"),
CompileShaderModule(VKDefaultPixel, ShaderLang::glsl, ShaderStage::frag, "main"),
};
pipeCreateInfo.dynamicState.dynamicStates.push_back(VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT);
VkPipelineDiscardRectangleStateCreateInfoEXT discardInfo = {
VK_STRUCTURE_TYPE_PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT,
};
discardInfo.discardRectangleMode = VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT;
discardInfo.discardRectangleCount = ARRAY_COUNT(discardRects);
pipeCreateInfo.pNext = &discardInfo;
VkPipeline pipe = createGraphicsPipeline(pipeCreateInfo);
discardInfo.discardRectangleMode = VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT;
VkPipeline pipe2 = createGraphicsPipeline(pipeCreateInfo);
DefaultA2V trispam[3000];
for(int i = 0; i < 3000; i++)
{
trispam[i].pos = Vec3f(RANDF(-1.0f, 1.0f), RANDF(-1.0f, 1.0f), RANDF(0.0f, 1.0f));
trispam[i].col = Vec4f(RANDF(0.0f, 1.0f), RANDF(0.0f, 1.0f), RANDF(0.0f, 1.0f), 1.0f);
trispam[i].uv = Vec2f(0.0f, 0.0f);
}
AllocatedBuffer vb(this,
vkh::BufferCreateInfo(sizeof(trispam), VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
VK_BUFFER_USAGE_TRANSFER_DST_BIT),
VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
vb.upload(trispam);
while(Running())
{
VkCommandBuffer cmd = GetCommandBuffer();
vkBeginCommandBuffer(cmd, vkh::CommandBufferBeginInfo());
VkImage swapimg =
StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
vkCmdClearColorImage(cmd, swapimg, VK_IMAGE_LAYOUT_GENERAL,
vkh::ClearColorValue(0.2f, 0.2f, 0.2f, 1.0f), 1,
vkh::ImageSubresourceRange());
vkCmdBeginRenderPass(
cmd, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(), mainWindow->scissor),
VK_SUBPASS_CONTENTS_INLINE);
VkViewport view = mainWindow->viewport;
view.width /= 2.0f;
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
vkCmdSetDiscardRectangleEXT(cmd, 0, ARRAY_COUNT(discardRects), discardRects);
vkCmdSetViewport(cmd, 0, 1, &view);
vkCmdSetScissor(cmd, 0, 1, &mainWindow->scissor);
vkh::cmdBindVertexBuffers(cmd, 0, {vb.buffer}, {0});
vkCmdDraw(cmd, 3000, 1, 0, 0);
view.x += view.width;
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe2);
vkCmdSetViewport(cmd, 0, 1, &view);
vkCmdDraw(cmd, 3000, 1, 0, 0);
vkCmdEndRenderPass(cmd);
FinishUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
vkEndCommandBuffer(cmd);
Submit(0, 1, {cmd});
Present();
}
return 0;
}
};
REGISTER_TEST();
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