56 lines
2.4 KiB
C++
56 lines
2.4 KiB
C++
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* texture_atlas.cpp :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2023/04/07 16:40:09 by maldavid #+# #+# */
|
|
/* Updated: 2023/12/31 00:52:01 by maldavid ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include <renderer/images/texture_atlas.h>
|
|
|
|
#ifdef IMAGE_OPTIMIZED
|
|
#define TILING VK_IMAGE_TILING_OPTIMAL
|
|
#else
|
|
#define TILING VK_IMAGE_TILING_LINEAR
|
|
#endif
|
|
|
|
namespace mlx
|
|
{
|
|
void TextureAtlas::create(uint8_t* pixels, uint32_t width, uint32_t height, VkFormat format, const char* name, bool dedicated_memory)
|
|
{
|
|
Image::create(width, height, format, TILING, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, name, dedicated_memory);
|
|
Image::createImageView(VK_IMAGE_VIEW_TYPE_2D, VK_IMAGE_ASPECT_COLOR_BIT);
|
|
Image::createSampler();
|
|
transitionLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
|
|
|
|
if(pixels == nullptr)
|
|
{
|
|
core::error::report(e_kind::warning, "Renderer : creating an empty texture atlas. They cannot be updated after creation, this might be a mistake or a bug, please report");
|
|
return;
|
|
}
|
|
Buffer staging_buffer;
|
|
std::size_t size = width * height * formatSize(format);
|
|
staging_buffer.create(Buffer::kind::dynamic, size, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, name, pixels);
|
|
Image::copyFromBuffer(staging_buffer);
|
|
staging_buffer.destroy();
|
|
}
|
|
|
|
void TextureAtlas::render(Renderer& renderer, int x, int y, uint32_t ibo_size) const
|
|
{
|
|
auto cmd = renderer.getActiveCmdBuffer().get();
|
|
|
|
glm::vec2 translate(x, y);
|
|
vkCmdPushConstants(cmd, renderer.getPipeline().getPipelineLayout(), VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(translate), &translate);
|
|
vkCmdDrawIndexed(cmd, ibo_size / sizeof(uint16_t), 1, 0, 0, 0);
|
|
}
|
|
|
|
void TextureAtlas::destroy() noexcept
|
|
{
|
|
Image::destroy();
|
|
}
|
|
}
|