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Much improved cube map visualization

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Now displays all six cube map faces as a single cross
This commit is contained in:
Sascha Willems 2019-04-15 21:30:57 +02:00
parent 50e4972d02
commit bfdf821d31
5 changed files with 57 additions and 20 deletions
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17
examples/shadowmappingomni/shadowmappingomni.cpp
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@ -78,7 +78,7 @@ public:
struct {
VkPipeline scene;
VkPipeline offscreen;
VkPipeline cubeMap;
VkPipeline cubemapDisplay;
} pipelines;
struct {
@ -154,7 +154,7 @@ public:
// Pipelibes
vkDestroyPipeline(device, pipelines.scene, nullptr);
vkDestroyPipeline(device, pipelines.offscreen, nullptr);
vkDestroyPipeline(device, pipelines.cubeMap, nullptr);
vkDestroyPipeline(device, pipelines.cubemapDisplay, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.scene, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.offscreen, nullptr);
@ -552,10 +552,12 @@ public:
if (displayCubeMap)
{
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.cubeMap);
// Display all six sides of the shadow cube map
// Note: Visualization of the different faces is done in the fragment shader, see cubemapdisplay.frag
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.cubemapDisplay);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.skybox.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skybox.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], models.skybox.indexCount, 1, 0, 0, 0);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
}
else
{
@ -752,15 +754,16 @@ public:
// Cube map display pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/shadowmapomni/cubemapdisplay.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/shadowmapomni/cubemapdisplay.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
rasterizationState.cullMode = VK_CULL_MODE_FRONT_BIT;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.cubeMap));
VkPipelineVertexInputStateCreateInfo emptyInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
pipelineCreateInfo.pVertexInputState = &emptyInputState;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.cubemapDisplay));
// Offscreen pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/shadowmapomni/offscreen.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/shadowmapomni/offscreen.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
rasterizationState.cullMode = VK_CULL_MODE_BACK_BIT;
pipelineCreateInfo.layout = pipelineLayouts.offscreen;
pipelineCreateInfo.renderPass = offscreenPass.renderPass;
pipelineCreateInfo.pVertexInputState = &vertexInputState;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.offscreen));
}