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impl sdl platform

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This commit is contained in:
Bigfoot71 2025-05-17 21:20:13 +02:00
parent 88c24f8de7
commit b9cfbebd40
1 changed files with 70 additions and 51 deletions
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37
src/platforms/rcore_desktop_sdl.c
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@ -54,12 +54,14 @@
#endif
#include "SDL.h" // SDL base library (window/rendered, input, timing... functionality)
#if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
#if defined(GRAPHICS_API_OPENGL_ES2)
// It seems it does not need to be included to work
//#include "SDL_opengles2.h"
#else
#include "SDL_opengl.h" // SDL OpenGL functionality (if required, instead of internal renderer)
#endif
#endif
//----------------------------------------------------------------------------------
// Defines and Macros
@ -1215,7 +1217,14 @@ void DisableCursor(void)
// Swap back buffer with front buffer (screen drawing)
void SwapScreenBuffer(void)
{
#if defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
// NOTE: We use a preprocessor condition here because `rlCopyFramebuffer` is only declared for software rendering
SDL_Surface* surface = SDL_GetWindowSurface(platform.window);
rlCopyFramebuffer(0, 0, CORE.Window.render.width, CORE.Window.render.height, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8, surface->pixels);
SDL_UpdateWindowSurface(platform.window);
#else
SDL_GL_SwapWindow(platform.window);
#endif
}
//----------------------------------------------------------------------------------
@ -1895,7 +1904,6 @@ int InitPlatform(void)
//----------------------------------------------------------------------------
unsigned int flags = 0;
flags |= SDL_WINDOW_SHOWN;
flags |= SDL_WINDOW_OPENGL;
flags |= SDL_WINDOW_INPUT_FOCUS;
flags |= SDL_WINDOW_MOUSE_FOCUS;
flags |= SDL_WINDOW_MOUSE_CAPTURE; // Window has mouse captured
@ -1930,6 +1938,11 @@ int InitPlatform(void)
// NOTE: Some OpenGL context attributes must be set before window creation
if (rlGetVersion() != RL_OPENGL_11_SOFTWARE)
{
// Add the flag telling the window to use an OpenGL context
flags |= SDL_WINDOW_OPENGL;
// Check selection OpenGL version
if (rlGetVersion() == RL_OPENGL_21)
{
@ -1969,6 +1982,7 @@ int InitPlatform(void)
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
}
}
// Init window
#if defined(PLATFORM_DESKTOP_SDL3)
@ -1978,10 +1992,12 @@ int InitPlatform(void)
#endif
// Init OpenGL context
if (rlGetVersion() != RL_OPENGL_11_SOFTWARE)
{
platform.glContext = SDL_GL_CreateContext(platform.window);
}
// Check window and glContext have been initialized successfully
if ((platform.window != NULL) && (platform.glContext != NULL))
if ((platform.window != NULL) && ((rlGetVersion() == RL_OPENGL_11_SOFTWARE) || (platform.glContext != NULL)))
{
CORE.Window.ready = true;
@ -2002,8 +2018,14 @@ int InitPlatform(void)
TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height);
TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y);
if (CORE.Window.flags & FLAG_VSYNC_HINT) SDL_GL_SetSwapInterval(1);
else SDL_GL_SetSwapInterval(0);
if (platform.glContext != NULL)
{
SDL_GL_SetSwapInterval((CORE.Window.flags & FLAG_VSYNC_HINT)? 1 : 0);
// Load OpenGL extensions
// NOTE: GL procedures address loader is required to load extensions
rlLoadExtensions(SDL_GL_GetProcAddress);
}
}
else
{
@ -2011,9 +2033,6 @@ int InitPlatform(void)
return -1;
}
// Load OpenGL extensions
// NOTE: GL procedures address loader is required to load extensions
rlLoadExtensions(SDL_GL_GetProcAddress);
//----------------------------------------------------------------------------
// Initialize input events system
@ -2078,7 +2097,7 @@ int InitPlatform(void)
void ClosePlatform(void)
{
SDL_FreeCursor(platform.cursor); // Free cursor
SDL_GL_DeleteContext(platform.glContext); // Deinitialize OpenGL context
if (platform.glContext != NULL) SDL_GL_DeleteContext(platform.glContext); // Deinitialize OpenGL context
SDL_DestroyWindow(platform.window);
SDL_Quit(); // Deinitialize SDL internal global state
}