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support of GL_DRAW_FRAMEBUFFER_BINDING

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This commit is contained in:
Bigfoot71 2026-03-17 01:08:00 +01:00
parent 5791f537c4
commit 42ddf558f9
1 changed files with 23 additions and 13 deletions
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36
src/external/rlsw.h vendored
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@ -362,6 +362,7 @@ typedef double GLclampd;
#define GL_RGBA32F 0x8814
// OpenGL GL_EXT_framebuffer_object
#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
@ -404,6 +405,7 @@ typedef double GLclampd;
#define glReadPixels(x, y, w, h, f, t, p) swReadPixels((x), (y), (w), (h), (f), (t), (p))
#define glEnable(state) swEnable((state))
#define glDisable(state) swDisable((state))
#define glGetIntegerv(pname, params) swGetIntegerv((pname), (params))
#define glGetFloatv(pname, params) swGetFloatv((pname), (params))
#define glGetString(pname) swGetString((pname))
#define glGetError() swGetError()
@ -517,7 +519,8 @@ typedef enum {
SW_PROJECTION_STACK_DEPTH = GL_PROJECTION_STACK_DEPTH,
SW_TEXTURE_MATRIX = GL_TEXTURE_MATRIX,
SW_TEXTURE_STACK_DEPTH = GL_TEXTURE_STACK_DEPTH,
SW_VIEWPORT = GL_VIEWPORT
SW_VIEWPORT = GL_VIEWPORT,
SW_DRAW_FRAMEBUFFER_BINDING = GL_DRAW_FRAMEBUFFER_BINDING,
} SWget;
typedef enum {
@ -1008,7 +1011,7 @@ typedef struct {
sw_matrix_t matMVP; // Model view projection matrix, calculated and used internally
bool isDirtyMVP; // Indicates if the MVP matrix should be rebuilt
sw_framebuffer_t* boundFramebuffer; // Framebuffer currently bound
sw_handle_t boundFramebufferId; // Framebuffer currently bound
sw_texture_t* colorBuffer; // Color buffer currently bound
sw_texture_t* depthBuffer; // Depth buffer currently bound
sw_pool_t framebufferPool; // Framebuffer object pool
@ -4102,6 +4105,7 @@ void swGetIntegerv(SWget name, int *v)
case SW_MODELVIEW_STACK_DEPTH: *v = SW_MODELVIEW_STACK_DEPTH; break;
case SW_PROJECTION_STACK_DEPTH: *v = SW_PROJECTION_STACK_DEPTH; break;
case SW_TEXTURE_STACK_DEPTH: *v = SW_TEXTURE_STACK_DEPTH; break;
case SW_DRAW_FRAMEBUFFER_BINDING: *v = RLSW.boundFramebufferId; break;
default: RLSW.errCode = SW_INVALID_ENUM; break;
}
}
@ -5150,9 +5154,9 @@ void swDeleteFramebuffers(int count, uint32_t* framebuffers)
sw_framebuffer_t *fb = sw_pool_get(&RLSW.framebufferPool, framebuffers[i]);
if (!fb) { RLSW.errCode = SW_INVALID_VALUE; continue; }
if (fb == RLSW.boundFramebuffer)
if (framebuffers[i] == RLSW.boundFramebufferId)
{
RLSW.boundFramebuffer = NULL;
RLSW.boundFramebufferId = SW_HANDLE_NULL;
RLSW.colorBuffer = &RLSW.framebuffer.color;
RLSW.depthBuffer = &RLSW.framebuffer.depth;
}
@ -5165,7 +5169,7 @@ void swBindFramebuffer(uint32_t id)
{
if (id == SW_HANDLE_NULL)
{
RLSW.boundFramebuffer = NULL;
RLSW.boundFramebufferId = SW_HANDLE_NULL;
RLSW.colorBuffer = &RLSW.framebuffer.color;
RLSW.depthBuffer = &RLSW.framebuffer.depth;
return;
@ -5178,27 +5182,30 @@ void swBindFramebuffer(uint32_t id)
return;
}
RLSW.boundFramebuffer = fb;
RLSW.boundFramebufferId = id;
RLSW.colorBuffer = sw_pool_get(&RLSW.texturePool, fb->colorAttachment);
RLSW.depthBuffer = sw_pool_get(&RLSW.texturePool, fb->depthAttachment);
}
void swFramebufferTexture2D(SWattachment attach, uint32_t texture)
{
if (RLSW.boundFramebuffer == NULL)
if (RLSW.boundFramebufferId == SW_HANDLE_NULL)
{
RLSW.errCode = SW_INVALID_OPERATION; // not really standard but hey
return;
}
sw_framebuffer_t* fb = sw_pool_get(&RLSW.framebufferPool, RLSW.boundFramebufferId);
if (fb == NULL) return; // Should never happen
switch (attach)
{
case SW_COLOR_ATTACHMENT:
RLSW.boundFramebuffer->colorAttachment = texture;
fb->colorAttachment = texture;
RLSW.colorBuffer = sw_pool_get(&RLSW.texturePool, texture);
break;
case SW_DEPTH_ATTACHMENT:
RLSW.boundFramebuffer->depthAttachment = texture;
fb->depthAttachment = texture;
RLSW.depthBuffer = sw_pool_get(&RLSW.texturePool, texture);
break;
default:
@ -5209,7 +5216,7 @@ void swFramebufferTexture2D(SWattachment attach, uint32_t texture)
SWfbstatus swCheckFramebufferStatus(void)
{
if (RLSW.boundFramebuffer == NULL)
if (RLSW.boundFramebufferId == SW_HANDLE_NULL)
{
return SW_FRAMEBUFFER_COMPLETE;
}
@ -5253,7 +5260,7 @@ SWfbstatus swCheckFramebufferStatus(void)
void swGetFramebufferAttachmentParameteriv(SWattachment attachment, SWattachget property, int *v)
{
if (RLSW.boundFramebuffer == NULL)
if (RLSW.boundFramebufferId == SW_HANDLE_NULL)
{
RLSW.errCode = SW_INVALID_OPERATION;
return;
@ -5265,6 +5272,9 @@ void swGetFramebufferAttachmentParameteriv(SWattachment attachment, SWattachget
return;
}
sw_framebuffer_t* fb = sw_pool_get(&RLSW.framebufferPool, RLSW.boundFramebufferId);
if (fb == NULL) return; // Should never happen
switch (property)
{
case SW_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
@ -5272,10 +5282,10 @@ void swGetFramebufferAttachmentParameteriv(SWattachment attachment, SWattachget
switch (attachment)
{
case SW_COLOR_ATTACHMENT:
*v = RLSW.boundFramebuffer->colorAttachment;
*v = fb->colorAttachment;
break;
case SW_DEPTH_ATTACHMENT:
*v = RLSW.boundFramebuffer->depthAttachment;
*v = fb->depthAttachment;
break;
}
}