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Minor code cleanup

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This commit is contained in:
Sascha Willems 2024-05-01 18:29:52 +02:00
parent 3d641ac5cd
commit 2cb468dd84
2 changed files with 11 additions and 11 deletions
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18
examples/pbrbasic/pbrbasic.cpp
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@ -3,7 +3,7 @@
*
* See http://graphicrants.blogspot.de/2013/08/specular-brdf-reference.html for a good reference to the different functions that make up a specular BRDF
*
* Copyright (C) 2017-2023 by Sascha Willems - www.saschawillems.de
* Copyright (C) 2017-2024 by Sascha Willems - www.saschawillems.de
*
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
*/
@ -11,9 +11,6 @@
#include "vulkanexamplebase.h"
#include "VulkanglTFModel.h"
#define GRID_DIM 7
#define OBJ_DIM 0.05f
struct Material {
// Parameter block used as push constant block
struct PushBlock {
@ -150,13 +147,16 @@ public:
Material mat = materials[materialIndex];
for (uint32_t y = 0; y < GRID_DIM; y++) {
for (uint32_t x = 0; x < GRID_DIM; x++) {
glm::vec3 pos = glm::vec3(float(x - (GRID_DIM / 2.0f)) * 2.5f, 0.0f, float(y - (GRID_DIM / 2.0f)) * 2.5f);
const uint32_t gridSize = 7;
// Render a 2D grid of objects with varying PBR parameters
for (uint32_t y = 0; y < gridSize; y++) {
for (uint32_t x = 0; x < gridSize; x++) {
glm::vec3 pos = glm::vec3(float(x - (gridSize / 2.0f)) * 2.5f, 0.0f, float(y - (gridSize / 2.0f)) * 2.5f);
vkCmdPushConstants(drawCmdBuffers[i], pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(glm::vec3), &pos);
// Vary metallic and roughness, two important PBR parameters
mat.params.metallic = glm::clamp((float)x / (float)(GRID_DIM - 1), 0.1f, 1.0f);
mat.params.roughness = glm::clamp((float)y / (float)(GRID_DIM - 1), 0.05f, 1.0f);
mat.params.metallic = glm::clamp((float)x / (float)(gridSize - 1), 0.1f, 1.0f);
mat.params.roughness = glm::clamp((float)y / (float)(gridSize - 1), 0.05f, 1.0f);
vkCmdPushConstants(drawCmdBuffers[i], pipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(glm::vec3), sizeof(Material::PushBlock), &mat);
models.objects[models.objectIndex].draw(drawCmdBuffers[i]);
}