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描述符池，增加为4。 不知道为什么

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xsl
2025-09-17 23:35:50 +08:00
parent 8e721b9c42
commit 0a2a5c45be
2 changed files with 19 additions and 16 deletions
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samples/api/texture_loading/texture_loading.cpp
+19 -15
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@@ -502,16 +502,16 @@ void TextureLoading::build_command_buffers()
vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.background);
vkCmdDraw(draw_cmd_buffers[i], 6, 1, 0, 0);
//vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout, 0, 1, &descriptor_set, 0, NULL);
//vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout, 0, 1, &descriptor_set, 0, NULL);
vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
//VkDeviceSize offsets[1] = { 0 };
//vkCmdBindVertexBuffers(draw_cmd_buffers[i], 0, 1, vertex_buffer->get(), offsets);
//vkCmdBindIndexBuffer(draw_cmd_buffers[i], index_buffer->get_handle(), 0, VK_INDEX_TYPE_UINT32);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(draw_cmd_buffers[i], 0, 1, vertex_buffer->get(), offsets);
vkCmdBindIndexBuffer(draw_cmd_buffers[i], index_buffer->get_handle(), 0, VK_INDEX_TYPE_UINT32);
//vkCmdDrawIndexed(draw_cmd_buffers[i], index_count, 1, 0, 0, 0);
vkCmdDrawIndexed(draw_cmd_buffers[i], index_count, 1, 0, 0, 0);
draw_point_cloud(draw_cmd_buffers[i]);
//draw_point_cloud(draw_cmd_buffers[i]);
draw_ui(draw_cmd_buffers[i]);
@@ -582,14 +582,14 @@ void TextureLoading::setup_descriptor_pool()
// Example uses one ubo and one image sampler
std::vector<VkDescriptorPoolSize> pool_sizes =
{
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2) };
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4),
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 4) };
VkDescriptorPoolCreateInfo descriptor_pool_create_info =
vkb::initializers::descriptor_pool_create_info(
static_cast<uint32_t>(pool_sizes.size()),
pool_sizes.data(),
2);
4);
VK_CHECK(vkCreateDescriptorPool(get_device().get_handle(), &descriptor_pool_create_info, nullptr, &descriptor_pool));
}
@@ -938,11 +938,14 @@ bool TextureLoading::prepare(const vkb::ApplicationOptions& options)
setup_descriptor_pool();
setup_descriptor_set();
setup_descriptor_set_bg();
setup_point_descriptor_set_layout();
prepare_point_pipeline();
setup_point_descriptor_set();
build_command_buffers();
setup_point_descriptor_set_layout();
setup_point_descriptor_set();
prepare_point_pipeline();
prepared = true;
//start();
return true;
@@ -1402,8 +1405,9 @@ void TextureLoading::prepare_point_pipeline()
// 加载着色器
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
shader_stages[0] = load_shader("pointcloud.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("pointcloud.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
shader_stages[0] = load_shader("texture_loading", "pointcloud.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("texture_loading", "pointcloud.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
// 顶点输入绑定描述 (告诉 Vulkan 顶点数据的格式)
VkVertexInputBindingDescription vertex_input_binding_description{};