claude_code/procedural-3d-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Moved and renamed vertex layout components

Browse source
This commit is contained in:
saschawillems 2017-01-29 12:05:20 +01:00
parent d9cf65667b
commit 2bc1df7f87
1 changed files with 27 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

52
base/VulkanModel.hpp
View file

@ -34,21 +34,22 @@
namespace vks
{
/** @brief Vertex layout components */
typedef enum Component {
VERTEX_COMPONENT_POSITION = 0x0,
VERTEX_COMPONENT_NORMAL = 0x1,
VERTEX_COMPONENT_COLOR = 0x2,
VERTEX_COMPONENT_UV = 0x3,
VERTEX_COMPONENT_TANGENT = 0x4,
VERTEX_COMPONENT_BITANGENT = 0x5,
VERTEX_COMPONENT_DUMMY_FLOAT = 0x6,
VERTEX_COMPONENT_DUMMY_VEC4 = 0x7
} Component;
/** @brief Stores vertex layout components for model loading and Vulkan vertex input and atribute bindings */
struct VertexLayout {
public:
typedef enum Component {
COMPONENT_POSITION = 0x0,
COMPONENT_NORMAL = 0x1,
COMPONENT_COLOR = 0x2,
COMPONENT_UV = 0x3,
COMPONENT_TANGENT = 0x4,
COMPONENT_BITANGENT = 0x5,
COMPONENT_DUMMY_FLOAT = 0x6,
COMPONENT_DUMMY_VEC4 = 0x7
} Component;
/** @brief Components used to generate vertices from */
std::vector<Component> components;
VertexLayout(std::vector<Component> components)
@ -63,16 +64,17 @@ namespace vks
{
switch (component)
{
case Component::COMPONENT_UV:
case VERTEX_COMPONENT_UV:
res += 2 * sizeof(float);
break;
case Component::COMPONENT_DUMMY_FLOAT:
case VERTEX_COMPONENT_DUMMY_FLOAT:
res += sizeof(float);
break;
case Component::COMPONENT_DUMMY_VEC4:
case VERTEX_COMPONENT_DUMMY_VEC4:
res += 4 * sizeof(float);
break;
default:
// All components except the ones listed above are made up of 3 floats
res += 3 * sizeof(float);
}
}
@ -228,40 +230,40 @@ namespace vks
for (auto& component : layout.components)
{
switch (component) {
case vks::VertexLayout::Component::COMPONENT_POSITION:
case VERTEX_COMPONENT_POSITION:
vertexBuffer.push_back(pPos->x * scale.x + center.x);
vertexBuffer.push_back(-pPos->y * scale.y + center.y);
vertexBuffer.push_back(pPos->z * scale.z + center.z);
break;
case vks::VertexLayout::Component::COMPONENT_NORMAL:
case VERTEX_COMPONENT_NORMAL:
vertexBuffer.push_back(pNormal->x);
vertexBuffer.push_back(-pNormal->y);
vertexBuffer.push_back(pNormal->z);
break;
case vks::VertexLayout::Component::COMPONENT_UV:
case VERTEX_COMPONENT_UV:
vertexBuffer.push_back(pTexCoord->x * uvscale.s);
vertexBuffer.push_back(pTexCoord->y * uvscale.t);
break;
case vks::VertexLayout::Component::COMPONENT_COLOR:
case VERTEX_COMPONENT_COLOR:
vertexBuffer.push_back(pColor.r);
vertexBuffer.push_back(pColor.g);
vertexBuffer.push_back(pColor.b);
break;
case vks::VertexLayout::Component::COMPONENT_TANGENT:
case VERTEX_COMPONENT_TANGENT:
vertexBuffer.push_back(pTangent->x);
vertexBuffer.push_back(pTangent->y);
vertexBuffer.push_back(pTangent->z);
break;
case vks::VertexLayout::Component::COMPONENT_BITANGENT:
case VERTEX_COMPONENT_BITANGENT:
vertexBuffer.push_back(pBiTangent->x);
vertexBuffer.push_back(pBiTangent->y);
vertexBuffer.push_back(pBiTangent->z);
break;
// Dummy components for padding
case vks::VertexLayout::Component::COMPONENT_DUMMY_FLOAT:
// Dummy components for padding
case VERTEX_COMPONENT_DUMMY_FLOAT:
vertexBuffer.push_back(0.0f);
break;
case vks::VertexLayout::Component::COMPONENT_DUMMY_VEC4:
case VERTEX_COMPONENT_DUMMY_VEC4:
vertexBuffer.push_back(0.0f);
vertexBuffer.push_back(0.0f);
vertexBuffer.push_back(0.0f);
@ -379,7 +381,7 @@ namespace vks
*/
bool loadFromFile(vk::VulkanDevice *device, const std::string& filename, vks::VertexLayout layout, float scale, VkQueue copyQueue, const int flags = defaultFlags)
{
vks::ModelCreateInfo modelCreateInfo(1.0f, 1.0f, 0.0f);
vks::ModelCreateInfo modelCreateInfo(scale, 1.0f, 0.0f);
return loadFromFile(device, filename, layout, &modelCreateInfo, copyQueue, flags);
}
};