MadeOfJelly/MushMachine
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add opengl texture from sdl_surface

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This commit is contained in:
Green Sky 2021-04-11 21:28:40 +02:00
parent 07df333e3e
commit 4e2dd51ad1
4 changed files with 37 additions and 1 deletions
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2
framework/opengl_primitives/CMakeLists.txt
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@ -11,6 +11,8 @@ target_include_directories(opengl_primitives PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}
target_link_libraries(opengl_primitives
glm
stb_image
#sdl
sdl_service
logger
resource_manager

2
framework/opengl_primitives/src/mm/opengl/texture.hpp
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@ -6,6 +6,7 @@ namespace MM::OpenGL {
struct TextureLoaderFile;
struct TextureLoaderConstBuffer;
struct TextureLoaderSDLSurface;
class Texture {
private:
@ -14,6 +15,7 @@ namespace MM::OpenGL {
private:
friend struct TextureLoaderFile;
friend struct TextureLoaderConstBuffer;
friend struct TextureLoaderSDLSurface;
Texture(
uint32_t handle,

27
framework/opengl_primitives/src/mm/opengl/texture_loader.cpp
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@ -8,7 +8,6 @@
#include <glad/glad.h>
#endif
#include <mm/services/filesystem.hpp>
#include <mm/engine.hpp>
@ -129,5 +128,31 @@ std::shared_ptr<Texture> TextureLoaderConstBuffer::load(const uint8_t* data, siz
return std::shared_ptr<Texture>(new Texture(handle, width, height, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE));
}
std::shared_ptr<Texture> TextureLoaderSDLSurface::load(SDL_Surface* surface) const {
uint32_t handle;
glGenTextures(1, &handle);
glBindTexture(GL_TEXTURE_2D, handle);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
SDL_LockSurface(surface);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, surface->w, surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, surface->pixels);
glBindTexture(GL_TEXTURE_2D, 0);
SDL_UnlockSurface(surface);
return std::shared_ptr<Texture>(new Texture(handle, surface->w, surface->h, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE));
}
} // MM::OpenGL

7
framework/opengl_primitives/src/mm/opengl/texture_loader.hpp
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@ -1,6 +1,9 @@
#pragma once
#include "./texture.hpp"
#include <SDL2/SDL.h>
#include <utility>
// fwd
@ -18,6 +21,10 @@ namespace MM::OpenGL {
std::shared_ptr<Texture> load(const uint8_t* data, size_t size) const;
};
struct TextureLoaderSDLSurface final {
std::shared_ptr<Texture> load(SDL_Surface* surface) const;
};
struct TextureLoaderEmpty final {
template<typename... Args>
std::shared_ptr<Texture> load(Args&& ... args) const {