/**
- * Functions for allocating/managing renderbuffers.
+ * Functions for allocating/managing software-based renderbuffers.
* Also, routines for reading/writing software-based renderbuffer data as
* ubytes, ushorts, uints, etc.
- *
- * Down the road we'll use this for run-time support of 8, 16 and 32-bit
- * color channels. For example, Mesa may use 32-bit/float color channels
- * internally (swrast) and use wrapper renderbuffers to convert 32-bit
- * values down to 16 or 8-bit values for whatever kind of framebuffer we have.
*/
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "fbobject.h"
-#include "formats.h"
-#include "mtypes.h"
-#include "renderbuffer.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/fbobject.h"
+#include "main/formats.h"
+#include "main/mtypes.h"
+#include "main/renderbuffer.h"
+#include "swrast/s_renderbuffer.h"
/*
* rb->RowStride pixels later.
*/
void
-_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
+_swrast_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
{
rb->GetPointer = get_pointer_generic;
rb->GetRow = get_row_generic;
return GL_FALSE;
}
- _mesa_set_renderbuffer_accessors(rb);
+ _swrast_set_renderbuffer_accessors(rb);
ASSERT(rb->DataType);
ASSERT(rb->GetPointer);
void
-_mesa_map_soft_renderbuffer(struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint x, GLuint y, GLuint w, GLuint h,
- GLbitfield mode,
- GLubyte **out_map,
- GLint *out_stride)
+_swrast_map_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **out_map,
+ GLint *out_stride)
{
GLubyte *map = rb->Data;
int cpp = _mesa_get_format_bytes(rb->Format);
*out_stride = stride;
}
-void
-_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
- struct gl_renderbuffer *rb)
-{
-}
-
-
-/**********************************************************************/
-/**********************************************************************/
-/**********************************************************************/
-
-
-/**
- * Default GetPointer routine. Always return NULL to indicate that
- * direct buffer access is not supported.
- */
-static void *
-nop_get_pointer(struct gl_context *ctx, struct gl_renderbuffer *rb, GLint x, GLint y)
-{
- return NULL;
-}
-
-
-/**
- * Initialize the fields of a gl_renderbuffer to default values.
- */
void
-_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name)
+_swrast_unmap_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb)
{
- _glthread_INIT_MUTEX(rb->Mutex);
-
- rb->ClassID = 0;
- rb->Name = name;
- rb->RefCount = 0;
- rb->Delete = _mesa_delete_renderbuffer;
-
- /* The rest of these should be set later by the caller of this function or
- * the AllocStorage method:
- */
- rb->AllocStorage = NULL;
-
- rb->Width = 0;
- rb->Height = 0;
- rb->InternalFormat = GL_RGBA;
- rb->Format = MESA_FORMAT_NONE;
-
- rb->DataType = GL_NONE;
- rb->Data = NULL;
-
- /* Point back to ourself so that we don't have to check for Wrapped==NULL
- * all over the drivers.
- */
- rb->Wrapped = rb;
-
- rb->GetPointer = nop_get_pointer;
- rb->GetRow = NULL;
- rb->GetValues = NULL;
- rb->PutRow = NULL;
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = NULL;
- rb->PutValues = NULL;
- rb->PutMonoValues = NULL;
}
-/**
- * Allocate a new gl_renderbuffer object. This can be used for user-created
- * renderbuffers or window-system renderbuffers.
- */
-struct gl_renderbuffer *
-_mesa_new_renderbuffer(struct gl_context *ctx, GLuint name)
-{
- struct gl_renderbuffer *rb = CALLOC_STRUCT(gl_renderbuffer);
- if (rb) {
- _mesa_init_renderbuffer(rb, name);
- }
- return rb;
-}
-
-
-/**
- * Delete a gl_framebuffer.
- * This is the default function for renderbuffer->Delete().
- */
-void
-_mesa_delete_renderbuffer(struct gl_renderbuffer *rb)
-{
- if (rb->Data) {
- free(rb->Data);
- }
- free(rb);
-}
-
/**
* Allocate a software-based renderbuffer. This is called via the
* This would not be used for hardware-based renderbuffers.
*/
struct gl_renderbuffer *
-_mesa_new_soft_renderbuffer(struct gl_context *ctx, GLuint name)
+_swrast_new_soft_renderbuffer(struct gl_context *ctx, GLuint name)
{
struct gl_renderbuffer *rb = _mesa_new_renderbuffer(ctx, name);
if (rb) {
* call the individual _mesa_add_*_renderbuffer() routines directly.
*/
void
-_mesa_add_soft_renderbuffers(struct gl_framebuffer *fb,
- GLboolean color,
- GLboolean depth,
- GLboolean stencil,
- GLboolean accum,
- GLboolean alpha,
- GLboolean aux)
+_swrast_add_soft_renderbuffers(struct gl_framebuffer *fb,
+ GLboolean color,
+ GLboolean depth,
+ GLboolean stencil,
+ GLboolean accum,
+ GLboolean alpha,
+ GLboolean aux)
{
GLboolean frontLeft = GL_TRUE;
GLboolean backLeft = fb->Visual.doubleBufferMode;
}
#endif
}
-
-
-/**
- * Attach a renderbuffer to a framebuffer.
- * \param bufferName one of the BUFFER_x tokens
- */
-void
-_mesa_add_renderbuffer(struct gl_framebuffer *fb,
- gl_buffer_index bufferName, struct gl_renderbuffer *rb)
-{
- assert(fb);
- assert(rb);
- assert(bufferName < BUFFER_COUNT);
-
- /* There should be no previous renderbuffer on this attachment point,
- * with the exception of depth/stencil since the same renderbuffer may
- * be used for both.
- */
- assert(bufferName == BUFFER_DEPTH ||
- bufferName == BUFFER_STENCIL ||
- fb->Attachment[bufferName].Renderbuffer == NULL);
-
- /* winsys vs. user-created buffer cross check */
- if (fb->Name) {
- assert(rb->Name);
- }
- else {
- assert(!rb->Name);
- }
-
- fb->Attachment[bufferName].Type = GL_RENDERBUFFER_EXT;
- fb->Attachment[bufferName].Complete = GL_TRUE;
- _mesa_reference_renderbuffer(&fb->Attachment[bufferName].Renderbuffer, rb);
-}
-
-
-/**
- * Remove the named renderbuffer from the given framebuffer.
- * \param bufferName one of the BUFFER_x tokens
- */
-void
-_mesa_remove_renderbuffer(struct gl_framebuffer *fb,
- gl_buffer_index bufferName)
-{
- struct gl_renderbuffer *rb;
-
- assert(bufferName < BUFFER_COUNT);
-
- rb = fb->Attachment[bufferName].Renderbuffer;
- if (!rb)
- return;
-
- _mesa_reference_renderbuffer(&rb, NULL);
-
- fb->Attachment[bufferName].Renderbuffer = NULL;
-}
-
-
-/**
- * Set *ptr to point to rb. If *ptr points to another renderbuffer,
- * dereference that buffer first. The new renderbuffer's refcount will
- * be incremented. The old renderbuffer's refcount will be decremented.
- * This is normally only called from the _mesa_reference_renderbuffer() macro
- * when there's a real pointer change.
- */
-void
-_mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
- struct gl_renderbuffer *rb)
-{
- if (*ptr) {
- /* Unreference the old renderbuffer */
- GLboolean deleteFlag = GL_FALSE;
- struct gl_renderbuffer *oldRb = *ptr;
-
- _glthread_LOCK_MUTEX(oldRb->Mutex);
- ASSERT(oldRb->RefCount > 0);
- oldRb->RefCount--;
- /*printf("RB DECR %p (%d) to %d\n", (void*) oldRb, oldRb->Name, oldRb->RefCount);*/
- deleteFlag = (oldRb->RefCount == 0);
- _glthread_UNLOCK_MUTEX(oldRb->Mutex);
-
- if (deleteFlag) {
- oldRb->Delete(oldRb);
- }
-
- *ptr = NULL;
- }
- assert(!*ptr);
-
- if (rb) {
- /* reference new renderbuffer */
- _glthread_LOCK_MUTEX(rb->Mutex);
- rb->RefCount++;
- /*printf("RB INCR %p (%d) to %d\n", (void*) rb, rb->Name, rb->RefCount);*/
- _glthread_UNLOCK_MUTEX(rb->Mutex);
- *ptr = rb;
- }
-}
*/
-#ifndef RENDERBUFFER_H
-#define RENDERBUFFER_H
+#ifndef S_RENDERBUFFER_H
+#define S_RENDERBUFFER_H
+
+#include "main/glheader.h"
-#include "glheader.h"
-#include "mtypes.h"
struct gl_context;
struct gl_framebuffer;
struct gl_renderbuffer;
-extern void
-_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
-
-extern struct gl_renderbuffer *
-_mesa_new_renderbuffer(struct gl_context *ctx, GLuint name);
-
-extern void
-_mesa_delete_renderbuffer(struct gl_renderbuffer *rb);
-
extern struct gl_renderbuffer *
-_mesa_new_soft_renderbuffer(struct gl_context *ctx, GLuint name);
-
-void
-_mesa_map_soft_renderbuffer(struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint x, GLuint y, GLuint w, GLuint h,
- GLbitfield mode,
- GLubyte **out_map,
- GLint *out_stride);
-
-void
-_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
- struct gl_renderbuffer *rb);
+_swrast_new_soft_renderbuffer(struct gl_context *ctx, GLuint name);
extern void
-_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb);
-
+_swrast_map_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **out_map,
+ GLint *out_stride);
extern void
-_mesa_add_soft_renderbuffers(struct gl_framebuffer *fb,
- GLboolean color,
- GLboolean depth,
- GLboolean stencil,
- GLboolean accum,
- GLboolean alpha,
- GLboolean aux);
+_swrast_unmap_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb);
extern void
-_mesa_add_renderbuffer(struct gl_framebuffer *fb,
- gl_buffer_index bufferName, struct gl_renderbuffer *rb);
+_swrast_set_renderbuffer_accessors(struct gl_renderbuffer *rb);
-extern void
-_mesa_remove_renderbuffer(struct gl_framebuffer *fb,
- gl_buffer_index bufferName);
extern void
-_mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
- struct gl_renderbuffer *rb);
-
-static inline void
-_mesa_reference_renderbuffer(struct gl_renderbuffer **ptr,
- struct gl_renderbuffer *rb)
-{
- if (*ptr != rb)
- _mesa_reference_renderbuffer_(ptr, rb);
-}
-
+_swrast_add_soft_renderbuffers(struct gl_framebuffer *fb,
+ GLboolean color,
+ GLboolean depth,
+ GLboolean stencil,
+ GLboolean accum,
+ GLboolean alpha,
+ GLboolean aux);
-#endif /* RENDERBUFFER_H */
+#endif /* S_RENDERBUFFER_H */
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