quartznet/raylib
Watch
2
0
Fork
You've already forked raylib
 0
Code Issues Pull requests Releases 25 Activity

add option for RLSW to hold a back buffer, and give it a sw method to swap

Browse source
This commit is contained in:
Colin James Wood 2026-06-11 20:09:49 +01:00
commit 2d0393467b
1 changed files with 46 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

46
src/external/rlsw.h vendored
View file

@ -677,6 +677,9 @@ SWAPI bool swResize(int w, int h);
SWAPI void swReadPixels(int x, int y, int w, int h, SWformat format, SWtype type, void *pixels);
SWAPI void swBlitPixels(int xDst, int yDst, int wDst, int hDst, int xSrc, int ySrc, int wSrc, int hSrc, SWformat format, SWtype type, void *pixels);
SWAPI void *swGetColorBuffer(int *width, int *height); // Restored for ESP-IDF compatibility
#ifdef RLSW_BACKBUFFER
SWAPI void swSwapColorBuffers(void); // Swap software renderer color/back buffers by pointer only
#endif
SWAPI void swEnable(SWstate state);
SWAPI void swDisable(SWstate state);
@ -993,6 +996,9 @@ typedef struct {
typedef struct {
sw_texture_t color; // Default framebuffer color texture
#ifdef RLSW_BACKBUFFER
sw_texture_t backColor; // Back buffer for multicore.
#endif
sw_texture_t depth; // Default framebuffer depth texture
} sw_default_framebuffer_t;
@ -1061,6 +1067,9 @@ typedef struct {
sw_handle_t boundFramebufferId; // Framebuffer currently bound
sw_texture_t *colorBuffer; // Color buffer currently bound
#ifdef RLSW_BACKBUFFER
sw_texture_t *colorBackBuffer;
#endif
sw_texture_t *depthBuffer; // Depth buffer currently bound
sw_pool_t framebufferPool; // Framebuffer object pool
@ -2583,6 +2592,13 @@ static inline bool sw_default_framebuffer_alloc(sw_default_framebuffer_t *fb, in
return false;
}
#ifdef RLSW_BACKBUFFER
if (!sw_texture_alloc(&fb->backColor, NULL, w, h, SW_FRAMEBUFFER_COLOR_FORMAT))
{
return false;
}
#endif
if (!sw_texture_alloc(&fb->depth, NULL, w, h, SW_FRAMEBUFFER_DEPTH_FORMAT))
{
return false;
@ -2595,6 +2611,9 @@ static inline void sw_default_framebuffer_free(sw_default_framebuffer_t *fb)
{
sw_texture_free(&fb->color);
sw_texture_free(&fb->depth);
#ifdef RLSW_BACKBUFFER
sw_texture_free(&fb->backColor);
#endif
}
static inline void sw_framebuffer_fill_color(sw_texture_t *colorBuffer, const float color[4])
@ -4006,6 +4025,9 @@ bool swInit(int w, int h)
}
RLSW.colorBuffer = &RLSW.framebuffer.color;
#ifdef RLSW_BACKBUFFER
RLSW.colorBackBuffer = &RLSW.framebuffer.backColor;
#endif
RLSW.depthBuffer = &RLSW.framebuffer.depth;
swViewport(0, 0, w, h);
@ -4158,6 +4180,18 @@ void *swGetColorBuffer(int *width, int *height)
return RLSW.framebuffer.color.pixels;
}
#ifdef RLSW_BACKBUFFER
void swSwapColorBuffers(void)
{
sw_texture_t tmp = RLSW.framebuffer.color;
RLSW.framebuffer.color = RLSW.framebuffer.backColor;
RLSW.framebuffer.backColor = tmp;
RLSW.colorBuffer = &RLSW.framebuffer.color;
RLSW.colorBackBuffer = &RLSW.framebuffer.backColor;
}
#endif
void swEnable(SWstate state)
{
switch (state)
@ -4333,6 +4367,8 @@ void swClear(uint32_t bitmask)
sw_framebuffer_fill_color(RLSW.colorBuffer, RLSW.clearColor);
}
// Don't clear back buffer, it might be locked by another core.
if ((bitmask & (SW_DEPTH_BUFFER_BIT)) && (RLSW.depthBuffer != NULL) && (RLSW.depthBuffer->pixels != NULL))
{
sw_framebuffer_fill_depth(RLSW.depthBuffer, RLSW.clearDepth);
@ -4982,6 +5018,9 @@ void swDeleteTextures(int count, sw_handle_t *textures)
if (!tex) { RLSW.errCode = SW_INVALID_VALUE; continue; }
if (tex == RLSW.boundTexture) RLSW.boundTexture = NULL;
if (tex == RLSW.colorBuffer) RLSW.colorBuffer = NULL;
#ifdef RLSW_BACKBUFFER
if (tex == RLSW.colorBackBuffer) RLSW.colorBackBuffer = NULL;
#endif
if (tex == RLSW.depthBuffer) RLSW.depthBuffer = NULL;
sw_texture_free(tex);
@ -5232,6 +5271,9 @@ void swDeleteFramebuffers(int count, uint32_t *framebuffers)
{
RLSW.boundFramebufferId = SW_HANDLE_NULL;
RLSW.colorBuffer = &RLSW.framebuffer.color;
#ifdef RLSW_BACKBUFFER
RLSW.colorBackBuffer = &RLSW.framebuffer.backColor;
#endif
RLSW.depthBuffer = &RLSW.framebuffer.depth;
}
@ -5251,6 +5293,9 @@ void swBindFramebuffer(uint32_t id)
{
RLSW.boundFramebufferId = SW_HANDLE_NULL;
RLSW.colorBuffer = &RLSW.framebuffer.color;
#ifdef RLSW_BACKBUFFER
RLSW.colorBackBuffer = &RLSW.framebuffer.backColor;
#endif
RLSW.depthBuffer = &RLSW.framebuffer.depth;
return;
}
@ -5264,6 +5309,7 @@ void swBindFramebuffer(uint32_t id)
RLSW.boundFramebufferId = id;
RLSW.colorBuffer = sw_pool_get(&RLSW.texturePool, fb->colorAttachment);
// No back buffer available for binding rendertextures.
RLSW.depthBuffer = sw_pool_get(&RLSW.texturePool, fb->depthAttachment);
}