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baldurk
856c838def
* In a previous update in 2021 many copyright ranges were truncated accidentally, and some files have been copy-pasted with wrong years. These dates have been fixed based on git history and original copyright messages.
226 lines
9.5 KiB
C++
226 lines
9.5 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2023-2026 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include "vk_test.h"
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RD_TEST(VK_Blend, VulkanGraphicsTest)
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{
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static constexpr const char *Description =
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"Draws a triangle repeatedly to test blending within a single drawcall";
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const DefaultA2V TemplateTriangleRed[3] = {
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{Vec3f(-0.5f, -0.5f, 0.0f), Vec4f(1 / 255.f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(0.0f, 0.5f, 0.0f), Vec4f(1 / 255.f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(0.5f, -0.5f, 0.0f), Vec4f(1 / 255.f, 0.0f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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};
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const int TRIANGLES_RED_INDEX = 0;
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const int NUM_TRIANGLES_RED = 16;
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const DefaultA2V TemplateTriangleGreen[3] = {
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{Vec3f(-0.5f, -0.5f, 0.0f), Vec4f(0.0f, 1 / 255.f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(0.0f, 0.5f, 0.0f), Vec4f(0.0f, 1 / 255.f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(0.5f, -0.5f, 0.0f), Vec4f(0.0f, 1 / 255.f, 0.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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};
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const int TRIANGLES_GREEN_INDEX = TRIANGLES_RED_INDEX + NUM_TRIANGLES_RED;
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const int NUM_TRIANGLES_GREEN = 255;
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const DefaultA2V TemplateTriangleBlue[3] = {
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{Vec3f(-0.5f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1 / 255.f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(0.0f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1 / 255.f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(0.5f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1 / 255.f, 1.0f), Vec2f(1.0f, 0.0f)},
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};
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const int TRIANGLES_BLUE_INDEX = TRIANGLES_GREEN_INDEX + NUM_TRIANGLES_GREEN;
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const int NUM_TRIANGLES_BLUE = 512;
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const int NUM_TRIANGLES_TOTAL = TRIANGLES_BLUE_INDEX + NUM_TRIANGLES_BLUE;
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int main()
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{
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// initialise, create window, create context, etc
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if(!Init())
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return 3;
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VkPipelineLayout layout = createPipelineLayout(vkh::PipelineLayoutCreateInfo());
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std::vector<DefaultA2V> triangles;
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triangles.reserve(3 * NUM_TRIANGLES_TOTAL);
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for(int i = 0; i < NUM_TRIANGLES_RED; i++)
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{
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triangles.push_back(TemplateTriangleRed[0]);
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triangles.push_back(TemplateTriangleRed[1]);
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triangles.push_back(TemplateTriangleRed[2]);
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}
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for(int i = 0; i < NUM_TRIANGLES_GREEN; i++)
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{
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triangles.push_back(TemplateTriangleGreen[0]);
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triangles.push_back(TemplateTriangleGreen[1]);
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triangles.push_back(TemplateTriangleGreen[2]);
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}
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for(int i = 0; i < NUM_TRIANGLES_BLUE; i++)
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{
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triangles.push_back(TemplateTriangleBlue[0]);
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triangles.push_back(TemplateTriangleBlue[1]);
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triangles.push_back(TemplateTriangleBlue[2]);
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}
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AllocatedBuffer vb(
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this,
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vkh::BufferCreateInfo(sizeof(DefaultA2V) * 3 * NUM_TRIANGLES_TOTAL,
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VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT),
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VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
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vb.upload(triangles.data(), sizeof(DefaultA2V) * 3 * NUM_TRIANGLES_TOTAL);
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AllocatedImage img(
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this,
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vkh::ImageCreateInfo(mainWindow->scissor.extent.width, mainWindow->scissor.extent.height, 0,
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VK_FORMAT_R32G32B32A32_SFLOAT,
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VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
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VK_IMAGE_USAGE_TRANSFER_DST_BIT),
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VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_GPU_ONLY}));
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VkImageView imgview = createImageView(
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vkh::ImageViewCreateInfo(img.image, VK_IMAGE_VIEW_TYPE_2D, VK_FORMAT_R32G32B32A32_SFLOAT));
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vkh::RenderPassCreator renderPassCreateInfo;
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renderPassCreateInfo.attachments.push_back(vkh::AttachmentDescription(
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VK_FORMAT_R32G32B32A32_SFLOAT, VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_GENERAL));
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renderPassCreateInfo.addSubpass({VkAttachmentReference({0, VK_IMAGE_LAYOUT_GENERAL})});
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VkRenderPass renderPass = createRenderPass(renderPassCreateInfo);
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VkFramebuffer framebuffer = createFramebuffer(
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vkh::FramebufferCreateInfo(renderPass, {imgview}, mainWindow->scissor.extent));
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vkh::GraphicsPipelineCreateInfo pipeCreateInfo;
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pipeCreateInfo.layout = layout;
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pipeCreateInfo.renderPass = renderPass;
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VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
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colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
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VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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colorBlendAttachment.blendEnable = VK_TRUE;
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colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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pipeCreateInfo.colorBlendState.attachments = {colorBlendAttachment};
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pipeCreateInfo.vertexInputState.vertexBindingDescriptions = {vkh::vertexBind(0, DefaultA2V)};
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pipeCreateInfo.vertexInputState.vertexAttributeDescriptions = {
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vkh::vertexAttr(0, 0, DefaultA2V, pos),
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vkh::vertexAttr(1, 0, DefaultA2V, col),
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vkh::vertexAttr(2, 0, DefaultA2V, uv),
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};
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pipeCreateInfo.stages = {
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CompileShaderModule(VKDefaultVertex, ShaderLang::glsl, ShaderStage::vert, "main"),
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CompileShaderModule(VKDefaultPixel, ShaderLang::glsl, ShaderStage::frag, "main"),
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};
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VkPipeline pipe = createGraphicsPipeline(pipeCreateInfo);
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while(Running())
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{
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VkCommandBuffer cmd = GetCommandBuffer();
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vkBeginCommandBuffer(cmd, vkh::CommandBufferBeginInfo());
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VkImage swapimg = StartUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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vkh::cmdPipelineBarrier(cmd, {
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vkh::ImageMemoryBarrier(0, VK_ACCESS_TRANSFER_WRITE_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_GENERAL, img.image),
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});
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pushMarker(cmd, "Clear");
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vkCmdClearColorImage(cmd, img.image, VK_IMAGE_LAYOUT_GENERAL,
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vkh::ClearColorValue(0.0f, 0.0f, 0.0f, 1.0f), 1,
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vkh::ImageSubresourceRange());
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popMarker(cmd);
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vkCmdBeginRenderPass(cmd,
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vkh::RenderPassBeginInfo(renderPass, framebuffer, mainWindow->scissor),
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VK_SUBPASS_CONTENTS_INLINE);
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vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
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vkCmdSetViewport(cmd, 0, 1, &mainWindow->viewport);
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vkCmdSetScissor(cmd, 0, 1, &mainWindow->scissor);
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vkh::cmdBindVertexBuffers(cmd, 0, {vb.buffer}, {0});
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pushMarker(cmd, "Red: groups of repeated draws");
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for(int i = 1; i <= NUM_TRIANGLES_RED; i *= 2)
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{
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vkCmdDraw(cmd, 3 * i, 1, TRIANGLES_RED_INDEX, 0);
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}
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setMarker(cmd, "End of red");
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popMarker(cmd);
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pushMarker(cmd, "Green: 255 (the maximum we can handle) in a single drawcall");
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vkCmdDraw(cmd, 3 * NUM_TRIANGLES_GREEN, 1, 3 * TRIANGLES_GREEN_INDEX, 0);
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popMarker(cmd);
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pushMarker(cmd, "Blue: 512 (more than the maximum) in a single drawcall");
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vkCmdDraw(cmd, 3 * NUM_TRIANGLES_BLUE, 1, 3 * TRIANGLES_BLUE_INDEX, 0);
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popMarker(cmd);
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vkCmdEndRenderPass(cmd);
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pushMarker(cmd, "Clear");
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vkCmdClearColorImage(cmd, img.image, VK_IMAGE_LAYOUT_GENERAL,
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vkh::ClearColorValue(0.0f, 0.0f, 0.0f, 1.0f), 1,
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vkh::ImageSubresourceRange());
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popMarker(cmd);
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vkCmdBeginRenderPass(cmd,
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vkh::RenderPassBeginInfo(renderPass, framebuffer, mainWindow->scissor),
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VK_SUBPASS_CONTENTS_INLINE);
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pushMarker(cmd, "All of the above in a single drawcall");
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vkCmdDraw(cmd, 3 * NUM_TRIANGLES_TOTAL, 1, 3 * TRIANGLES_RED_INDEX, 0);
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popMarker(cmd);
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setMarker(cmd, "Test End");
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vkCmdEndRenderPass(cmd);
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blitToSwap(cmd, img.image, VK_IMAGE_LAYOUT_GENERAL, swapimg,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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FinishUsingBackbuffer(cmd, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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vkEndCommandBuffer(cmd);
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SubmitAndPresent({cmd});
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}
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return 0;
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}
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};
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REGISTER_TEST();
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