MrMonopoly/raylib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

impl sdl platform

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
src/platforms/rcore_desktop_sdl.c
View File

@ -54,11 +54,13 @@
#endif #endif
#include "SDL.h" // SDL base library (window/rendered, input, timing... functionality) #include "SDL.h" // SDL base library (window/rendered, input, timing... functionality)
#if defined(GRAPHICS_API_OPENGL_ES2) #if !defined(GRAPHICS_API_OPENGL_11_SOFTWARE)
// It seems it does not need to be included to work #if defined(GRAPHICS_API_OPENGL_ES2)
//#include "SDL_opengles2.h" // It seems it does not need to be included to work
#else //#include "SDL_opengles2.h"
#include "SDL_opengl.h" // SDL OpenGL functionality (if required, instead of internal renderer) #else
#include "SDL_opengl.h" // SDL OpenGL functionality (if required, instead of internal renderer)
#endif
#endif #endif
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
@ -1215,7 +1217,14 @@ void DisableCursor(void)
// Swap back buffer with front buffer (screen drawing) // Swap back buffer with front buffer (screen drawing)
void SwapScreenBuffer(void) 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); SDL_GL_SwapWindow(platform.window);
#endif
} }
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
@ -1895,7 +1904,6 @@ int InitPlatform(void)
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
unsigned int flags = 0; unsigned int flags = 0;
flags |= SDL_WINDOW_SHOWN; flags |= SDL_WINDOW_SHOWN;
flags |= SDL_WINDOW_OPENGL;
flags |= SDL_WINDOW_INPUT_FOCUS; flags |= SDL_WINDOW_INPUT_FOCUS;
flags |= SDL_WINDOW_MOUSE_FOCUS; flags |= SDL_WINDOW_MOUSE_FOCUS;
flags |= SDL_WINDOW_MOUSE_CAPTURE; // Window has mouse captured flags |= SDL_WINDOW_MOUSE_CAPTURE; // Window has mouse captured
@ -1930,44 +1938,50 @@ int InitPlatform(void)
// NOTE: Some OpenGL context attributes must be set before window creation // NOTE: Some OpenGL context attributes must be set before window creation
// Check selection OpenGL version if (rlGetVersion() != RL_OPENGL_11_SOFTWARE)
if (rlGetVersion() == RL_OPENGL_21)
{ {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); // Add the flag telling the window to use an OpenGL context
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); flags |= SDL_WINDOW_OPENGL;
}
else if (rlGetVersion() == RL_OPENGL_33)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
}
else if (rlGetVersion() == RL_OPENGL_43)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); // Enable OpenGL Debug Context
#endif
}
else if (rlGetVersion() == RL_OPENGL_ES_20) // Request OpenGL ES 2.0 context
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
}
else if (rlGetVersion() == RL_OPENGL_ES_30) // Request OpenGL ES 3.0 context
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
}
if (CORE.Window.flags & FLAG_MSAA_4X_HINT) // Check selection OpenGL version
{ if (rlGetVersion() == RL_OPENGL_21)
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
}
else if (rlGetVersion() == RL_OPENGL_33)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
}
else if (rlGetVersion() == RL_OPENGL_43)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); // Enable OpenGL Debug Context
#endif
}
else if (rlGetVersion() == RL_OPENGL_ES_20) // Request OpenGL ES 2.0 context
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
}
else if (rlGetVersion() == RL_OPENGL_ES_30) // Request OpenGL ES 3.0 context
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
}
if (CORE.Window.flags & FLAG_MSAA_4X_HINT)
{
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
}
} }
// Init window // Init window
@ -1978,10 +1992,12 @@ int InitPlatform(void)
#endif #endif
// Init OpenGL context // Init OpenGL context
platform.glContext = SDL_GL_CreateContext(platform.window); 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) && ((rlGetVersion() == RL_OPENGL_11_SOFTWARE) || (platform.glContext != NULL)))
if ((platform.window != NULL) && (platform.glContext != NULL))
{ {
CORE.Window.ready = true; 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, " > 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); 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); if (platform.glContext != NULL)
else SDL_GL_SetSwapInterval(0); {
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 else
{ {
@ -2011,9 +2033,6 @@ int InitPlatform(void)
return -1; return -1;
} }
// Load OpenGL extensions
// NOTE: GL procedures address loader is required to load extensions
rlLoadExtensions(SDL_GL_GetProcAddress);
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
// Initialize input events system // Initialize input events system
@ -2078,7 +2097,7 @@ int InitPlatform(void)
void ClosePlatform(void) void ClosePlatform(void)
{ {
SDL_FreeCursor(platform.cursor); // Free cursor 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_DestroyWindow(platform.window);
SDL_Quit(); // Deinitialize SDL internal global state SDL_Quit(); // Deinitialize SDL internal global state
} }