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Add: [OpenGL] Support for 8bpp blitters.

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This commit is contained in:
Michael Lutz
2021-01-16 16:43:25 +01:00
parent 320072c8dc
commit e8fc050b6e
7 changed files with 159 additions and 18 deletions
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6
src/video/opengl.h
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@@ -14,6 +14,7 @@
#include "../core/alloc_type.hpp"
#include "../core/geometry_type.hpp"
#include "../gfx_type.h"
typedef void (*OGLProc)();
typedef OGLProc (*GetOGLProcAddressProc)(const char *proc);
@@ -28,9 +29,11 @@ private:
GLuint vid_pbo; ///< Pixel buffer object storing the memory used for the video driver to draw to.
GLuint vid_texture; ///< Texture handle for the video buffer texture.
GLuint vid_program; ///< Shader program for rendering the video buffer.
GLuint vid_program; ///< Shader program for rendering a RGBA video buffer.
GLuint pal_program; ///< Shader program for rendering a paletted video buffer.
GLuint vao_quad; ///< Vertex array object storing the rendering state for the fullscreen quad.
GLuint vbo_quad; ///< Vertex buffer with a fullscreen quad.
GLuint pal_texture; ///< Palette lookup texture.
OpenGLBackend();
~OpenGLBackend();
@@ -47,6 +50,7 @@ public:
static const char *Create(GetOGLProcAddressProc get_proc);
static void Destroy();
void UpdatePalette(const Colour *pal, uint first, uint length);
bool Resize(int w, int h, bool force = false);
void Paint();