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baldurk
3c4dbaca30
* This will let us run multiple windows (and multiple threads) relatively easily. * The hammer is fairly big, we move some things into the window that don't need to be there necessarily if we have multiple windows on a single thread, but it keeps things simple.
548 lines
21 KiB
C++
548 lines
21 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2018-2019 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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TEST(VK_Indirect, VulkanGraphicsTest)
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{
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static constexpr const char *Description =
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"Tests different indirect drawing and dispatching functions, including parameters that are "
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"generated on the GPU and not known on the CPU at submit time";
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std::string common = R"EOSHADER(
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#version 420 core
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struct v2f
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{
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vec4 pos;
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vec4 col;
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vec4 uv;
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};
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)EOSHADER";
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const std::string vertex = R"EOSHADER(
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layout(location = 0) in vec3 Position;
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layout(location = 1) in vec4 Color;
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layout(location = 2) in vec2 UV;
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layout(location = 0) out v2f vertOut;
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void main()
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{
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vertOut.pos = vec4(Position.xyz*vec3(1,-1,1), 1);
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gl_Position = vertOut.pos;
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vertOut.col = Color;
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vertOut.uv = vec4(UV.xy, 0, 1);
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}
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)EOSHADER";
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const std::string pixel = R"EOSHADER(
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layout(location = 0) in v2f vertIn;
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layout(location = 0, index = 0) out vec4 Color;
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void main()
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{
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Color = vertIn.col;
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}
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)EOSHADER";
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const std::string compute = R"EOSHADER(
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#version 430 core
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#extension GL_ARB_compute_shader : require
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layout (local_size_x = 2, local_size_y = 2, local_size_z = 1) in;
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layout(push_constant) uniform PushConstants {
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uint mode;
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} push;
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layout(binding = 0, std140) buffer general_buffer
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{
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uvec4 data[];
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} ssbo;
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void main()
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{
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if(push.mode == 0)
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{
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// this should never run, since the dispatch is indirect 0,0,0
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ssbo.data[0] = uvec4(99, 88, 77, 66);
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}
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else if(push.mode == 1)
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{
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// see below, here we write the indirect dispatch parameters
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ssbo.data[1] = uvec4(3, 4, 5, 999999);
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}
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else if(push.mode == 2)
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{
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// see below, in the indirect dispatch we write data in for each thread
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uint idx = gl_GlobalInvocationID.z * (3 * 2) * (4 * 2) +
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gl_GlobalInvocationID.y * (3 * 2) +
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gl_GlobalInvocationID.x;
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ssbo.data[100+idx] = uvec4(gl_GlobalInvocationID, 12345);
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// we also write the draw parameters for non-indexed and indexed draws.
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// The indices point just after the vertices, so we have all unique draws
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// vkCmdDrawIndirect()
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ssbo.data[2] = uvec4(3, 2, 0, 7); // draw verts 0..2
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// vkCmdDrawIndexedIndirect() (2 draws)
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ssbo.data[3] = uvec4(3, 3, 0, 0); // draw indices 0..2
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ssbo.data[4].x = 19;
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ssbo.data[5] = uvec4(6, 2, 3, 0); // draw indices 3..8
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ssbo.data[6].x = 15;
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// write count parameters for indirect count draws, although we might not need these
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// 1 draw for non-indexed, 3 draws for indexed.
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ssbo.data[10] = uvec4(1, 3, 0, 0);
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// vkCmdDrawIndirectCountKHR()
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ssbo.data[11] = uvec4(3, 4, 3, 4); // draw verts 3..5
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// vkCmdDrawIndexedIndirectCountKHR()
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ssbo.data[12] = uvec4(3, 1, 9, 0); // draw indices 9..11
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ssbo.data[13].x = 1;
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ssbo.data[14] = uvec4(0, 0, 99, 1010); // draw nothing (index/instance count 0)
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ssbo.data[15].x = 200;
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ssbo.data[16] = uvec4(6, 2, 12, 0); // draw indices 12..17
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ssbo.data[17].x = 1;
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}
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}
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)EOSHADER";
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void Prepare(int argc, char **argv)
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{
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features.multiDrawIndirect = VK_TRUE;
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VulkanGraphicsTest::Prepare(argc, argv);
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}
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int main()
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{
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optDevExts.push_back(VK_KHR_DRAW_INDIRECT_COUNT_EXTENSION_NAME);
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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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bool KHR_draw_indirect_count =
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std::find(devExts.begin(), devExts.end(), VK_KHR_DRAW_INDIRECT_COUNT_EXTENSION_NAME) !=
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devExts.end();
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VkDescriptorSetLayout setlayout = createDescriptorSetLayout(vkh::DescriptorSetLayoutCreateInfo({
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{0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT},
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}));
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VkPipelineLayout complayout = createPipelineLayout(vkh::PipelineLayoutCreateInfo(
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{setlayout}, {vkh::PushConstantRange(VK_SHADER_STAGE_COMPUTE_BIT, 0, 4)}));
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VkPipelineLayout drawlayout = createPipelineLayout(vkh::PipelineLayoutCreateInfo());
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vkh::GraphicsPipelineCreateInfo pipeCreateInfo;
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pipeCreateInfo.layout = drawlayout;
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pipeCreateInfo.renderPass = mainWindow->rp;
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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), 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(common + vertex, ShaderLang::glsl, ShaderStage::vert, "main"),
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CompileShaderModule(common + pixel, ShaderLang::glsl, ShaderStage::frag, "main"),
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};
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VkPipeline drawpipe = createGraphicsPipeline(pipeCreateInfo);
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VkPipeline comppipe = createComputePipeline(vkh::ComputePipelineCreateInfo(
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complayout, CompileShaderModule(compute, ShaderLang::glsl, ShaderStage::comp, "main")));
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const DefaultA2V vbdata[24] = {
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// non-indexed indirect draw
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{Vec3f(-0.8f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.7f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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// non-indexed KHR_draw_indirect_count draw
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{Vec3f(-0.8f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.7f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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// indexed indirect draw 1
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{Vec3f(-0.6f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.5f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.4f, 0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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// indexed indirect draw 2
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{Vec3f(-0.4f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.3f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.2f, 0.8f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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{Vec3f(-0.1f, 0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(0.0f, 0.8f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(0.1f, 0.8f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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// indexed KHR_draw_indirect_count draw 1
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{Vec3f(-0.6f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.5f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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// indexed KHR_draw_indirect_count draw 2
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// empty
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// indexed indirect draw 3
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{Vec3f(-0.4f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(-0.3f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(-0.2f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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{Vec3f(-0.1f, -0.5f, 0.0f), Vec4f(1.0f, 0.0f, 0.0f, 1.0f), Vec2f(0.0f, 0.0f)},
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{Vec3f(0.0f, -0.2f, 0.0f), Vec4f(0.0f, 1.0f, 0.0f, 1.0f), Vec2f(0.0f, 1.0f)},
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{Vec3f(0.1f, -0.2f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
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};
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AllocatedBuffer vb(allocator,
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vkh::BufferCreateInfo(sizeof(vbdata), VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
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VK_BUFFER_USAGE_TRANSFER_DST_BIT),
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VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
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vb.upload(vbdata);
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uint32_t indices[18] = {6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
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AllocatedBuffer ib(allocator,
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vkh::BufferCreateInfo(sizeof(indices), VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
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VK_BUFFER_USAGE_TRANSFER_DST_BIT),
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VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
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ib.upload(indices);
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VkDeviceSize ssbo_size = 16 * 1024;
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AllocatedBuffer ssbo(allocator,
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vkh::BufferCreateInfo(ssbo_size, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
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VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT |
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VK_BUFFER_USAGE_TRANSFER_DST_BIT),
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VmaAllocationCreateInfo({0, VMA_MEMORY_USAGE_CPU_TO_GPU}));
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memset(ssbo.map(), 0, (size_t)ssbo_size);
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ssbo.unmap();
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VkDescriptorSet descset = allocateDescriptorSet(setlayout);
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vkh::updateDescriptorSets(
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device, {
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vkh::WriteDescriptorSet(descset, 0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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{vkh::DescriptorBufferInfo(ssbo.buffer)}),
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});
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using uvec4 = uint32_t[4];
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while(Running())
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{
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VkCommandBuffer primary = GetCommandBuffer();
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vkBeginCommandBuffer(primary, vkh::CommandBufferBeginInfo());
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VkImage swapimg =
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StartUsingBackbuffer(primary, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
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setMarker(primary, "Do Clear");
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vkCmdClearColorImage(primary, swapimg, VK_IMAGE_LAYOUT_GENERAL,
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vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
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vkh::ImageSubresourceRange());
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{
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VkCommandBuffer cmd = primary;
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pushMarker(cmd, "Primary: Dispatches");
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vkh::cmdPipelineBarrier(
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cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_TRANSFER_WRITE_BIT,
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VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
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vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, comppipe);
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vkh::cmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, complayout, 0, {descset}, {});
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uint32_t mode = 0;
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vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
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// dispatch 0,0,0
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vkCmdDispatchIndirect(cmd, ssbo.buffer, 8 * sizeof(uvec4));
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mode = 1;
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vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
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// dispatch to fill the actual parameters
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vkCmdDispatch(cmd, 1, 1, 1);
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vkh::cmdPipelineBarrier(
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cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_TRANSFER_WRITE_BIT,
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VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
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mode = 2;
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vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
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// indirect dispatch at offset data[1], see above shader
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vkCmdDispatchIndirect(cmd, ssbo.buffer, sizeof(uvec4));
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popMarker(cmd);
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vkh::cmdPipelineBarrier(
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cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
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}
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vkCmdBeginRenderPass(primary, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(),
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mainWindow->scissor),
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VK_SUBPASS_CONTENTS_INLINE);
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{
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VkCommandBuffer cmd = primary;
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vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, drawpipe);
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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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vkCmdBindIndexBuffer(cmd, ib.buffer, 0, VK_INDEX_TYPE_UINT32);
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pushMarker(cmd, "Primary: Empty draws");
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vkCmdDrawIndirect(cmd, ssbo.buffer, 2 * sizeof(uvec4), 0, sizeof(uvec4));
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vkCmdDrawIndexedIndirect(cmd, ssbo.buffer, 3 * sizeof(uvec4), 0, 2 * sizeof(uvec4));
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popMarker(cmd);
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pushMarker(cmd, "Primary: Indirect draws");
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// indirect draw at offset data[2], see above shader
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vkCmdDrawIndirect(cmd, ssbo.buffer, 2 * sizeof(uvec4), 1, sizeof(uvec4));
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// indirect indexed draw at offset data[3], see above shader
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vkCmdDrawIndexedIndirect(cmd, ssbo.buffer, 3 * sizeof(uvec4), 2, 2 * sizeof(uvec4));
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popMarker(cmd);
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// if we have KHR_draw_indirect_count, test it as well
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if(KHR_draw_indirect_count)
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{
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pushMarker(cmd, "Primary: KHR_draw_indirect_count");
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pushMarker(cmd, "Primary: Empty count draws");
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// empty draws
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vkCmdDrawIndirectCountKHR(cmd, ssbo.buffer, 11 * sizeof(uvec4), ssbo.buffer,
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10 * sizeof(uvec4), 0, sizeof(uvec4));
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vkCmdDrawIndexedIndirectCountKHR(cmd, ssbo.buffer, 12 * sizeof(uvec4), ssbo.buffer,
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10 * sizeof(uvec4) + sizeof(uint32_t), 0,
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sizeof(uvec4) * 2);
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popMarker(cmd);
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pushMarker(cmd, "Primary: Indirect count draws");
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vkCmdDrawIndirectCountKHR(cmd, ssbo.buffer, 11 * sizeof(uvec4), ssbo.buffer,
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10 * sizeof(uvec4), 10, sizeof(uvec4));
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vkCmdDrawIndexedIndirectCountKHR(cmd, ssbo.buffer, 12 * sizeof(uvec4), ssbo.buffer,
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10 * sizeof(uvec4) + sizeof(uint32_t), 10,
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sizeof(uvec4) * 2);
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popMarker(cmd);
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popMarker(cmd);
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}
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}
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vkCmdEndRenderPass(primary);
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vkh::cmdPipelineBarrier(
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primary, {},
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{vkh::BufferMemoryBarrier(VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_INDIRECT_COMMAND_READ_BIT,
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VK_ACCESS_TRANSFER_WRITE_BIT, ssbo.buffer)});
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// clear the buffer so that we can't read any of the data back from outside the command buffer
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vkCmdFillBuffer(primary, ssbo.buffer, 0, ssbo_size, 0);
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vkEndCommandBuffer(primary);
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Submit(0, 2, {primary});
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vkDeviceWaitIdle(device);
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// now do the same in secondary command buffers
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primary = GetCommandBuffer();
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vkBeginCommandBuffer(primary, vkh::CommandBufferBeginInfo());
|
|
|
|
vkCmdClearColorImage(primary, swapimg, VK_IMAGE_LAYOUT_GENERAL,
|
|
vkh::ClearColorValue(0.4f, 0.5f, 0.6f, 1.0f), 1,
|
|
vkh::ImageSubresourceRange());
|
|
|
|
VkCommandBuffer dispatch_secondary = GetCommandBuffer(VK_COMMAND_BUFFER_LEVEL_SECONDARY);
|
|
|
|
vkBeginCommandBuffer(
|
|
dispatch_secondary,
|
|
vkh::CommandBufferBeginInfo(0, vkh::CommandBufferInheritanceInfo(VK_NULL_HANDLE, 0)));
|
|
|
|
{
|
|
VkCommandBuffer cmd = dispatch_secondary;
|
|
|
|
pushMarker(cmd, "Secondary: Dispatches");
|
|
|
|
vkh::cmdPipelineBarrier(
|
|
cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_TRANSFER_WRITE_BIT,
|
|
VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
|
|
|
|
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, comppipe);
|
|
vkh::cmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, complayout, 0, {descset}, {});
|
|
|
|
uint32_t mode = 0;
|
|
vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
|
|
|
|
// dispatch 0,0,0
|
|
vkCmdDispatchIndirect(cmd, ssbo.buffer, 8 * sizeof(uvec4));
|
|
|
|
mode = 1;
|
|
vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
|
|
|
|
// dispatch to fill the actual parameters
|
|
vkCmdDispatch(cmd, 1, 1, 1);
|
|
|
|
vkh::cmdPipelineBarrier(
|
|
cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_TRANSFER_WRITE_BIT,
|
|
VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
|
|
|
|
mode = 2;
|
|
vkCmdPushConstants(cmd, complayout, VK_SHADER_STAGE_COMPUTE_BIT, 0, 4, &mode);
|
|
|
|
// indirect dispatch at offset data[1], see above shader
|
|
vkCmdDispatchIndirect(cmd, ssbo.buffer, sizeof(uvec4));
|
|
|
|
popMarker(cmd);
|
|
|
|
vkh::cmdPipelineBarrier(
|
|
cmd, {}, {vkh::BufferMemoryBarrier(VK_ACCESS_SHADER_WRITE_BIT,
|
|
VK_ACCESS_INDIRECT_COMMAND_READ_BIT, ssbo.buffer)});
|
|
}
|
|
|
|
vkEndCommandBuffer(dispatch_secondary);
|
|
|
|
vkCmdExecuteCommands(primary, 1, &dispatch_secondary);
|
|
|
|
vkCmdBeginRenderPass(primary, vkh::RenderPassBeginInfo(mainWindow->rp, mainWindow->GetFB(),
|
|
mainWindow->scissor),
|
|
VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
|
|
|
|
VkCommandBuffer draw_secondary = GetCommandBuffer(VK_COMMAND_BUFFER_LEVEL_SECONDARY);
|
|
|
|
vkBeginCommandBuffer(draw_secondary, vkh::CommandBufferBeginInfo(
|
|
VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT,
|
|
vkh::CommandBufferInheritanceInfo(mainWindow->rp, 0)));
|
|
|
|
{
|
|
VkCommandBuffer cmd = draw_secondary;
|
|
|
|
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, drawpipe);
|
|
vkCmdSetViewport(cmd, 0, 1, &mainWindow->viewport);
|
|
vkCmdSetScissor(cmd, 0, 1, &mainWindow->scissor);
|
|
vkh::cmdBindVertexBuffers(cmd, 0, {vb.buffer}, {0});
|
|
vkCmdBindIndexBuffer(cmd, ib.buffer, 0, VK_INDEX_TYPE_UINT32);
|
|
|
|
pushMarker(cmd, "Secondary: Empty draws");
|
|
vkCmdDrawIndirect(cmd, ssbo.buffer, 2 * sizeof(uvec4), 0, sizeof(uvec4));
|
|
vkCmdDrawIndexedIndirect(cmd, ssbo.buffer, 3 * sizeof(uvec4), 0, 2 * sizeof(uvec4));
|
|
popMarker(cmd);
|
|
|
|
pushMarker(cmd, "Secondary: Indirect draws");
|
|
|
|
// indirect draw at offset data[2], see above shader
|
|
vkCmdDrawIndirect(cmd, ssbo.buffer, 2 * sizeof(uvec4), 1, sizeof(uvec4));
|
|
|
|
// indirect indexed draw at offset data[3], see above shader
|
|
vkCmdDrawIndexedIndirect(cmd, ssbo.buffer, 3 * sizeof(uvec4), 2, 2 * sizeof(uvec4));
|
|
|
|
popMarker(cmd);
|
|
|
|
// if we have KHR_draw_indirect_count, test it as well
|
|
if(KHR_draw_indirect_count)
|
|
{
|
|
pushMarker(cmd, "Secondary: KHR_draw_indirect_count");
|
|
|
|
pushMarker(cmd, "Secondary: Empty count draws");
|
|
// empty draws
|
|
vkCmdDrawIndirectCountKHR(cmd, ssbo.buffer, 11 * sizeof(uvec4), ssbo.buffer,
|
|
10 * sizeof(uvec4), 0, sizeof(uvec4));
|
|
vkCmdDrawIndexedIndirectCountKHR(cmd, ssbo.buffer, 12 * sizeof(uvec4), ssbo.buffer,
|
|
10 * sizeof(uvec4) + sizeof(uint32_t), 0,
|
|
sizeof(uvec4) * 2);
|
|
popMarker(cmd);
|
|
|
|
pushMarker(cmd, "Secondary: Indirect count draws");
|
|
vkCmdDrawIndirectCountKHR(cmd, ssbo.buffer, 11 * sizeof(uvec4), ssbo.buffer,
|
|
10 * sizeof(uvec4), 10, sizeof(uvec4));
|
|
vkCmdDrawIndexedIndirectCountKHR(cmd, ssbo.buffer, 12 * sizeof(uvec4), ssbo.buffer,
|
|
10 * sizeof(uvec4) + sizeof(uint32_t), 10,
|
|
sizeof(uvec4) * 2);
|
|
popMarker(cmd);
|
|
|
|
popMarker(cmd);
|
|
}
|
|
}
|
|
|
|
vkEndCommandBuffer(draw_secondary);
|
|
|
|
vkCmdExecuteCommands(primary, 1, &draw_secondary);
|
|
|
|
vkCmdEndRenderPass(primary);
|
|
|
|
vkh::cmdPipelineBarrier(
|
|
primary, {},
|
|
{vkh::BufferMemoryBarrier(VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_INDIRECT_COMMAND_READ_BIT,
|
|
VK_ACCESS_TRANSFER_WRITE_BIT, ssbo.buffer)});
|
|
|
|
// clear the buffer so that we can't read any of the data back from outside the command buffer
|
|
vkCmdFillBuffer(primary, ssbo.buffer, 0, ssbo_size, 0);
|
|
|
|
FinishUsingBackbuffer(primary, VK_ACCESS_TRANSFER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL);
|
|
|
|
vkEndCommandBuffer(primary);
|
|
|
|
Submit(1, 2, {primary}, {dispatch_secondary, draw_secondary});
|
|
|
|
vkDeviceWaitIdle(device);
|
|
|
|
Present();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(); |