diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h')
-rw-r--r-- | mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h b/mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h index 677511334..6c11d350d 100644 --- a/mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h +++ b/mesalib/src/mesa/drivers/dri/common/drirenderbuffer.h @@ -1,79 +1,79 @@ - -/** - * A driRenderbuffer is dervied from gl_renderbuffer. - * It describes a color buffer (front or back), a depth buffer, or stencil - * buffer etc. - * Specific to DRI drivers are the offset and pitch fields. - */ - - -#ifndef DRIRENDERBUFFER_H -#define DRIRENDERBUFFER_H - -#include "main/mtypes.h" -#include "main/formats.h" -#include "dri_util.h" - - -typedef struct { - struct gl_renderbuffer Base; - - /* Chars or bytes per pixel. If Z and Stencil are stored together this - * will typically be 32 whether this a depth or stencil renderbuffer. - */ - GLint cpp; - - /* Buffer position and pitch (row stride). Recall that for today's DRI - * drivers, we have statically allocated color/depth/stencil buffers. - * So this information describes the whole screen, not just a window. - * To address pixels in a window, we need to know the window's position - * and size with respect to the screen. - */ - GLint offset; /* in bytes */ - GLint pitch; /* in pixels */ - - /* If the driver can do page flipping (full-screen double buffering) - * the current front/back buffers may get swapped. - * If page flipping is disabled, these fields will be identical to - * the offset/pitch/Data above. - * If page flipping is enabled, and this is the front(back) renderbuffer, - * flippedOffset/Pitch/Data will have the back(front) renderbuffer's values. - */ - GLint flippedOffset; - GLint flippedPitch; - GLvoid *flippedData; /* mmap'd address of buffer memory, if used */ - - /* Pointer to corresponding __DRIdrawable. This is used to compute - * the window's position within the framebuffer. - */ - __DRIdrawable *dPriv; - - /* XXX this is for radeon/r200 only. We should really create a new - * r200Renderbuffer class, derived from this class... not a huge deal. - */ - GLboolean depthHasSurface; - - /** - * A handy flag to know if this is the back color buffer. - * - * \note - * This is currently only used by tdfx. - */ - GLboolean backBuffer; -} driRenderbuffer; - - -extern driRenderbuffer * -driNewRenderbuffer(gl_format format, GLvoid *addr, - GLint cpp, GLint offset, GLint pitch, - __DRIdrawable *dPriv); - -extern void -driFlipRenderbuffers(struct gl_framebuffer *fb, GLboolean flipped); - - -extern void -driUpdateFramebufferSize(GLcontext *ctx, const __DRIdrawable *dPriv); - - -#endif /* DRIRENDERBUFFER_H */ +
+/**
+ * A driRenderbuffer is dervied from gl_renderbuffer.
+ * It describes a color buffer (front or back), a depth buffer, or stencil
+ * buffer etc.
+ * Specific to DRI drivers are the offset and pitch fields.
+ */
+
+
+#ifndef DRIRENDERBUFFER_H
+#define DRIRENDERBUFFER_H
+
+#include "main/mtypes.h"
+#include "main/formats.h"
+#include "dri_util.h"
+
+
+typedef struct {
+ struct gl_renderbuffer Base;
+
+ /* Chars or bytes per pixel. If Z and Stencil are stored together this
+ * will typically be 32 whether this a depth or stencil renderbuffer.
+ */
+ GLint cpp;
+
+ /* Buffer position and pitch (row stride). Recall that for today's DRI
+ * drivers, we have statically allocated color/depth/stencil buffers.
+ * So this information describes the whole screen, not just a window.
+ * To address pixels in a window, we need to know the window's position
+ * and size with respect to the screen.
+ */
+ GLint offset; /* in bytes */
+ GLint pitch; /* in pixels */
+
+ /* If the driver can do page flipping (full-screen double buffering)
+ * the current front/back buffers may get swapped.
+ * If page flipping is disabled, these fields will be identical to
+ * the offset/pitch/Data above.
+ * If page flipping is enabled, and this is the front(back) renderbuffer,
+ * flippedOffset/Pitch/Data will have the back(front) renderbuffer's values.
+ */
+ GLint flippedOffset;
+ GLint flippedPitch;
+ GLvoid *flippedData; /* mmap'd address of buffer memory, if used */
+
+ /* Pointer to corresponding __DRIdrawable. This is used to compute
+ * the window's position within the framebuffer.
+ */
+ __DRIdrawable *dPriv;
+
+ /* XXX this is for radeon/r200 only. We should really create a new
+ * r200Renderbuffer class, derived from this class... not a huge deal.
+ */
+ GLboolean depthHasSurface;
+
+ /**
+ * A handy flag to know if this is the back color buffer.
+ *
+ * \note
+ * This is currently only used by tdfx.
+ */
+ GLboolean backBuffer;
+} driRenderbuffer;
+
+
+extern driRenderbuffer *
+driNewRenderbuffer(gl_format format, GLvoid *addr,
+ GLint cpp, GLint offset, GLint pitch,
+ __DRIdrawable *dPriv);
+
+extern void
+driFlipRenderbuffers(struct gl_framebuffer *fb, GLboolean flipped);
+
+
+extern void
+driUpdateFramebufferSize(struct gl_context *ctx, const __DRIdrawable *dPriv);
+
+
+#endif /* DRIRENDERBUFFER_H */
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