Add pipe buffer managment functions.

The state_tracker driver needs these to implement, eg. pixel buffer objects,
vertex buffer objects.

1 files changed, 0 insertions, 157 deletions

diff --git a/src/mesa/drivers/dri/i915pipe/intel_blit.c b/src/mesa/drivers/dri/i915pipe/intel_blit.c
index 5d9cb0cf0f..8e878f0088 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_blit.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_blit.c
@@ -391,161 +391,4 @@ intelEmitCopyBlit(struct intel_context *intel,
 }
 
 
-/**
- * Use blitting to clear the renderbuffers named by 'flags'.
- * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferMask field
- * since that might include software renderbuffers or renderbuffers
- * which we're clearing with triangles.
- * \param mask  bitmask of BUFFER_BIT_* values indicating buffers to clear
- */
-void
-intelClearWithBlit(GLcontext * ctx, GLbitfield mask)
-{
-   struct intel_context *intel = intel_context(ctx);
-   struct gl_framebuffer *fb = ctx->DrawBuffer;
-   GLuint clear_depth;
-   GLbitfield skipBuffers = 0;
-   BATCH_LOCALS;
-
-   DBG("%s %x\n", __FUNCTION__, mask);
 
-   /*
-    * Compute values for clearing the buffers.
-    */
-   clear_depth = 0;
-   if (mask & BUFFER_BIT_DEPTH) {
-      clear_depth = (GLuint) (fb->_DepthMax * ctx->Depth.Clear);
-   }
-   if (mask & BUFFER_BIT_STENCIL) {
-      clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
-   }
-
-   /* If clearing both depth and stencil, skip BUFFER_BIT_STENCIL in
-    * the loop below.
-    */
-   if ((mask & BUFFER_BIT_DEPTH) && (mask & BUFFER_BIT_STENCIL)) {
-      skipBuffers = BUFFER_BIT_STENCIL;
-   }
-
-   /* XXX Move this flush/lock into the following conditional? */
-   intelFlush(&intel->ctx);
-   LOCK_HARDWARE(intel);
-
-   if (intel->numClipRects) {
-      GLint cx, cy, cw, ch;
-      drm_clip_rect_t b;
-
-      /* Get clear bounds after locking */
-      cx = fb->_Xmin;
-      cy = fb->_Ymin;
-      cw = fb->_Xmax - cx;
-      ch = fb->_Ymax - cy;
-
-      if (fb->Name == 0) {
-         /* clearing a window */
-         /* flip top to bottom */
-         b.x1 = cx;
-         b.y1 = fb->Height - cy - ch;
-         b.x2 = b.x1 + cw;
-         b.y2 = b.y1 + ch;
-      }
-      else {
-         /* clearing FBO */
-         b.x1 = cx;
-         b.y1 = cy;
-         b.x2 = b.x1 + cw;
-         b.y2 = b.y1 + ch;
-         /* no change to mask */
-      }
-
-      {
-         GLuint buf;
-         GLuint clearMask = mask;      /* use copy, since we modify it below */
-         GLboolean all = (cw == fb->Width && ch == fb->Height);
-
-         DBG("clear %d,%d..%d,%d, mask %x\n",
-                      b.x1, b.y1, b.x2, b.y2, mask);
-
-         /* Loop over all renderbuffers */
-         for (buf = 0; buf < BUFFER_COUNT && clearMask; buf++) {
-            const GLbitfield bufBit = 1 << buf;
-            if ((clearMask & bufBit) && !(bufBit & skipBuffers)) {
-               /* OK, clear this renderbuffer */
-               struct pipe_region *irb_region =
-		  intel_get_rb_region(fb, buf);
-               struct _DriBufferObject *write_buffer =
-                  intel->pipe->region_buffer(intel->pipe, irb_region,
-                                      all ? INTEL_WRITE_FULL :
-                                      INTEL_WRITE_PART);
-
-               GLuint clearVal;
-               GLint pitch, cpp;
-               GLuint BR13, CMD;
-
-               ASSERT(irb_region);
-
-               pitch = irb_region->pitch;
-               cpp = irb_region->cpp;
-
-               DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
-                   __FUNCTION__,
-                   irb_region->buffer, (pitch * cpp),
-                   irb_region->draw_offset,
-                   b.x1, b.y1, b.x2 - b.x1, b.y2 - b.y1);
-
-
-               /* Setup the blit command */
-               if (cpp == 4) {
-                  BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25);
-                  if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) {
-                     CMD = XY_COLOR_BLT_CMD;
-                     if (clearMask & BUFFER_BIT_DEPTH)
-                        CMD |= XY_COLOR_BLT_WRITE_RGB;
-                     if (clearMask & BUFFER_BIT_STENCIL)
-                        CMD |= XY_COLOR_BLT_WRITE_ALPHA;
-                  }
-                  else {
-                     /* clearing RGBA */
-                     CMD = (XY_COLOR_BLT_CMD |
-                            XY_COLOR_BLT_WRITE_ALPHA |
-                            XY_COLOR_BLT_WRITE_RGB);
-                  }
-               }
-               else {
-                  ASSERT(cpp == 2 || cpp == 0);
-                  BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24);
-                  CMD = XY_COLOR_BLT_CMD;
-               }
-
-               if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) {
-                  clearVal = clear_depth;
-               }
-               else {
-                  clearVal = (cpp == 4)
-                     ? intel->ClearColor8888 : intel->ClearColor565;
-               }
-               /*
-                  _mesa_debug(ctx, "hardware blit clear buf %d rb id %d\n",
-                  buf, irb->Base.Name);
-                */
-	       intel_wait_flips(intel, INTEL_BATCH_NO_CLIPRECTS);
-
-               BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
-               OUT_BATCH(CMD);
-               OUT_BATCH(BR13);
-               OUT_BATCH((b.y1 << 16) | b.x1);
-               OUT_BATCH((b.y2 << 16) | b.x2);
-               OUT_RELOC(write_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
-                         DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE,
-                         irb_region->draw_offset);
-               OUT_BATCH(clearVal);
-               ADVANCE_BATCH();
-               clearMask &= ~bufBit;    /* turn off bit, for faster loop exit */
-            }
-         }
-      }
-      intel_batchbuffer_flush(intel->batch);
-   }
-
-   UNLOCK_HARDWARE(intel);
-}