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Fix queue family transfer operations between graphics <-> compute queues, generalize getQueueFamilyIndex() to support VkQueueFlags vs. VkQueueFlagBits, computecloth deltaT now based on frameTimer

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This commit is contained in:
Stephen Saunders 2022-06-13 22:53:48 -04:00
parent 17aaa7305b
commit b2f501dc98
7 changed files with 306 additions and 80 deletions
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13
examples/computeparticles/computeparticles.cpp
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@ -149,7 +149,7 @@ public:
vkCmdPipelineBarrier(
drawCmdBuffers[i],
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
0,
0, nullptr,
@ -196,7 +196,7 @@ public:
vkCmdPipelineBarrier(
drawCmdBuffers[i],
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0,
0, nullptr,
1, &buffer_barrier,
@ -234,7 +234,7 @@ public:
vkCmdPipelineBarrier(
compute.commandBuffer,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
0,
0, nullptr,
@ -267,7 +267,7 @@ public:
vkCmdPipelineBarrier(
compute.commandBuffer,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0,
0, nullptr,
1, &buffer_barrier,
@ -336,7 +336,7 @@ public:
vkCmdPipelineBarrier(
copyCmd,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0,
0, nullptr,
1, &buffer_barrier,
@ -647,7 +647,9 @@ public:
// Build a single command buffer containing the compute dispatch commands
buildComputeCommandBuffer();
// SRS - By reordering compute and graphics within draw(), the following code is no longer needed:
// If graphics and compute queue family indices differ, acquire and immediately release the storage buffer, so that the initial acquire from the graphics command buffers are matched up properly
/*
if (graphics.queueFamilyIndex != compute.queueFamilyIndex)
{
// Create a transient command buffer for setting up the initial buffer transfer state
@ -697,6 +699,7 @@ public:
vulkanDevice->flushCommandBuffer(transferCmd, compute.queue, compute.commandPool);
}
*/
}
// Prepare and initialize uniform buffer containing shader uniforms