dri: Drop unused dri renderbuffer helper functions

3 files changed, 1 insertions, 253 deletions

diff --git a/src/mesa/drivers/dri/common/Makefile.sources b/src/mesa/drivers/dri/common/Makefile.sources
index f21bf860665..463c5302622 100644
--- a/src/mesa/drivers/dri/common/Makefile.sources
+++ b/src/mesa/drivers/dri/common/Makefile.sources
@@ -5,8 +5,7 @@ mesa_dri_common_gallium_SOURCES := \
 
 mesa_dri_common_SOURCES := \
 	$(mesa_dri_common_gallium_SOURCES) \
-        texmem.c \
-        drirenderbuffer.c
+        texmem.c
 
 # Paths are relative to MESA_TOP.
 mesa_dri_common_INCLUDES := \
diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.c b/src/mesa/drivers/dri/common/drirenderbuffer.c
deleted file mode 100644
index ccc39e4a8de..00000000000
--- a/src/mesa/drivers/dri/common/drirenderbuffer.c
+++ /dev/null
@@ -1,180 +0,0 @@
-
-#include "main/mtypes.h"
-#include "main/formats.h"
-#include "main/renderbuffer.h"
-#include "main/imports.h"
-#include "drirenderbuffer.h"
-
-
-/**
- * This will get called when a window (gl_framebuffer) is resized (probably
- * via driUpdateFramebufferSize(), below).
- * Just update width, height and internal format fields for now.
- * There's usually no memory allocation above because the present
- * DRI drivers use statically-allocated full-screen buffers. If that's not
- * the case for a DRI driver, a different AllocStorage method should
- * be used.
- */
-static GLboolean
-driRenderbufferStorage(struct gl_context *ctx, struct gl_renderbuffer *rb,
-                       GLenum internalFormat, GLuint width, GLuint height)
-{
-   rb->Width = width;
-   rb->Height = height;
-   rb->InternalFormat = internalFormat;
-   return GL_TRUE;
-}
-
-
-static void
-driDeleteRenderbuffer(struct gl_renderbuffer *rb)
-{
-   /* don't free rb->Data  Chances are it's a memory mapped region for
-    * the dri drivers.
-    */
-   free(rb);
-}
-
-
-/**
- * Allocate a new driRenderbuffer object.
- * Individual drivers are free to implement different versions of
- * this function.
- *
- * At this time, this function can only be used for window-system
- * renderbuffers, not user-created RBOs.
- *
- * \param format  Either GL_RGBA, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24,
- *                GL_DEPTH_COMPONENT32, or GL_STENCIL_INDEX8_EXT (for now).
- * \param addr  address in main memory of the buffer.  Probably a memory
- *              mapped region.
- * \param cpp  chars or bytes per pixel
- * \param offset  start of renderbuffer with respect to start of framebuffer
- * \param pitch   pixels per row
- */
-driRenderbuffer *
-driNewRenderbuffer(gl_format format, GLvoid *addr,
-                   GLint cpp, GLint offset, GLint pitch,
-                   __DRIdrawable *dPriv)
-{
-   driRenderbuffer *drb;
-
-   assert(cpp > 0);
-   assert(pitch > 0);
-
-   drb = calloc(1, sizeof(driRenderbuffer));
-   if (drb) {
-      const GLuint name = 0;
-
-      _mesa_init_renderbuffer(&drb->Base, name);
-
-      /* Make sure we're using a null-valued GetPointer routine */
-      assert(drb->Base.GetPointer(NULL, &drb->Base, 0, 0) == NULL);
-
-      switch (format) {
-      case MESA_FORMAT_ARGB8888:
-         if (cpp == 2) {
-            /* override format */
-            format = MESA_FORMAT_RGB565;
-         }
-         drb->Base.DataType = GL_UNSIGNED_BYTE;
-         break;
-      case MESA_FORMAT_Z16:
-         /* Depth */
-         /* we always Get/Put 32-bit Z values */
-         drb->Base.DataType = GL_UNSIGNED_INT;
-         assert(cpp == 2);
-         break;
-      case MESA_FORMAT_Z32:
-         /* Depth */
-         /* we always Get/Put 32-bit Z values */
-         drb->Base.DataType = GL_UNSIGNED_INT;
-         assert(cpp == 4);
-         break;
-      case MESA_FORMAT_Z24_S8:
-         drb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
-         assert(cpp == 4);
-         break;
-      case MESA_FORMAT_S8_Z24:
-         drb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
-         assert(cpp == 4);
-         break;
-      case MESA_FORMAT_S8:
-         /* Stencil */
-         drb->Base.DataType = GL_UNSIGNED_BYTE;
-         break;
-      default:
-         _mesa_problem(NULL, "Bad format 0x%x in driNewRenderbuffer", format);
-         return NULL;
-      }
-
-      drb->Base.Format = format;
-
-      drb->Base.InternalFormat =
-      drb->Base._BaseFormat = _mesa_get_format_base_format(format);
-
-      drb->Base.AllocStorage = driRenderbufferStorage;
-      drb->Base.Delete = driDeleteRenderbuffer;
-
-      drb->Base.Data = addr;
-
-      /* DRI renderbuffer-specific fields: */
-      drb->dPriv = dPriv;
-      drb->offset = offset;
-      drb->pitch = pitch;
-      drb->cpp = cpp;
-
-      /* may be changed if page flipping is active: */
-      drb->flippedOffset = offset;
-      drb->flippedPitch = pitch;
-      drb->flippedData = addr;
-   }
-   return drb;
-}
-
-
-/**
- * Update the front and back renderbuffers' flippedPitch/Offset/Data fields.
- * If stereo, flip both the left and right pairs.
- * This is used when we do double buffering via page flipping.
- * \param fb  the framebuffer we're page flipping
- * \param flipped  if true, set flipped values, else set non-flipped values
- */
-void
-driFlipRenderbuffers(struct gl_framebuffer *fb, GLboolean flipped)
-{
-   const GLuint count = fb->Visual.stereoMode ? 2 : 1;
-   GLuint lr; /* left or right */
-
-   /* we shouldn't really call this function if single-buffered, but
-    * play it safe.
-    */
-   if (!fb->Visual.doubleBufferMode)
-      return;
-
-   for (lr = 0; lr < count; lr++) {
-      GLuint frontBuf = (lr == 0) ? BUFFER_FRONT_LEFT : BUFFER_FRONT_RIGHT;
-      GLuint backBuf  = (lr == 0) ? BUFFER_BACK_LEFT  : BUFFER_BACK_RIGHT;
-      driRenderbuffer *front_drb
-         = (driRenderbuffer *) fb->Attachment[frontBuf].Renderbuffer;
-      driRenderbuffer *back_drb
-         = (driRenderbuffer *) fb->Attachment[backBuf].Renderbuffer;
-
-      if (flipped) {
-         front_drb->flippedOffset = back_drb->offset;
-         front_drb->flippedPitch  = back_drb->pitch;
-         front_drb->flippedData   = back_drb->Base.Data;
-         back_drb->flippedOffset  = front_drb->offset;
-         back_drb->flippedPitch   = front_drb->pitch;
-         back_drb->flippedData    = front_drb->Base.Data;
-      }
-      else {
-         front_drb->flippedOffset = front_drb->offset;
-         front_drb->flippedPitch  = front_drb->pitch;
-         front_drb->flippedData   = front_drb->Base.Data;
-         back_drb->flippedOffset  = back_drb->offset;
-         back_drb->flippedPitch   = back_drb->pitch;
-         back_drb->flippedData    = back_drb->Base.Data;
-      }
-   }
-}
diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.h b/src/mesa/drivers/dri/common/drirenderbuffer.h
deleted file mode 100644
index b9065b2dd05..00000000000
--- a/src/mesa/drivers/dri/common/drirenderbuffer.h
+++ /dev/null
@@ -1,71 +0,0 @@
-
-/**
- * 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;
-} 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 */