summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i965/intel_blit.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_blit.c')
-rw-r--r--src/mesa/drivers/dri/i965/intel_blit.c494
1 files changed, 494 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_blit.c b/src/mesa/drivers/dri/i965/intel_blit.c
new file mode 100644
index 00000000000..2191dd585e1
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/intel_blit.c
@@ -0,0 +1,494 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "mtypes.h"
+#include "context.h"
+#include "enums.h"
+#include "vblank.h"
+
+#include "intel_reg.h"
+#include "intel_batchbuffer.h"
+#include "intel_context.h"
+#include "intel_blit.h"
+#include "intel_regions.h"
+
+#include "bufmgr.h"
+
+
+
+
+/*
+ * Copy the back buffer to the front buffer.
+ */
+void intelCopyBuffer( const __DRIdrawablePrivate *dPriv,
+ const drm_clip_rect_t *rect )
+{
+ struct intel_context *intel;
+ GLboolean missed_target;
+ int64_t ust;
+
+ DBG("%s\n", __FUNCTION__);
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate;
+ intelFlush( &intel->ctx );
+
+
+ bmFinishFence(intel, intel->last_swap_fence);
+
+ /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets
+ * should work regardless.
+ */
+ LOCK_HARDWARE( intel );
+
+ if (!rect)
+ {
+ /* This is a really crappy way to do wait-for-vblank. I guess
+ * it sortof works in the single-application case.
+ */
+ UNLOCK_HARDWARE( intel );
+ driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
+ LOCK_HARDWARE( intel );
+ }
+
+ {
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ int nbox = dPriv->numClipRects;
+ drm_clip_rect_t *pbox = dPriv->pClipRects;
+ int cpp = intelScreen->cpp;
+ struct intel_region *src, *dst;
+ int BR13, CMD;
+ int i;
+ int src_pitch, dst_pitch;
+
+ if (intel->sarea->pf_current_page == 0) {
+ dst = intel->front_region;
+ src = intel->back_region;
+ }
+ else {
+ assert(0);
+ src = intel->front_region;
+ dst = intel->back_region;
+ }
+
+ src_pitch = src->pitch * src->cpp;
+ dst_pitch = dst->pitch * dst->cpp;
+
+ if (cpp == 2) {
+ BR13 = (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ }
+ else {
+ BR13 = (0xCC << 16) | (1<<24) | (1<<25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ }
+
+ if (src->tiled) {
+ CMD |= XY_SRC_TILED;
+ src_pitch /= 4;
+ }
+
+ if (dst->tiled) {
+ CMD |= XY_DST_TILED;
+ dst_pitch /= 4;
+ }
+
+ for (i = 0 ; i < nbox; i++, pbox++)
+ {
+ drm_clip_rect_t tmp = *pbox;
+
+ if (rect) {
+ if (!intel_intersect_cliprects(&tmp, &tmp, rect))
+ continue;
+ }
+
+
+ if (tmp.x1 > tmp.x2 ||
+ tmp.y1 > tmp.y2 ||
+ tmp.x2 > intelScreen->width ||
+ tmp.y2 > intelScreen->height)
+ continue;
+
+ BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( CMD );
+ OUT_BATCH( dst_pitch | BR13 );
+ OUT_BATCH( (tmp.y1 << 16) | tmp.x1 );
+ OUT_BATCH( (tmp.y2 << 16) | tmp.x2 );
+ OUT_BATCH( bmBufferOffset(intel, dst->buffer) );
+ OUT_BATCH( (tmp.y1 << 16) | tmp.x1 );
+ OUT_BATCH( src_pitch );
+ OUT_BATCH( bmBufferOffset(intel, src->buffer) );
+ ADVANCE_BATCH();
+ }
+ }
+
+ intel_batchbuffer_flush( intel->batch );
+ intel->second_last_swap_fence = intel->last_swap_fence;
+ intel->last_swap_fence = bmSetFence( intel );
+ UNLOCK_HARDWARE( intel );
+
+ if (!rect)
+ {
+ intel->swap_count++;
+ (*dri_interface->getUST)(&ust);
+ if (missed_target) {
+ intel->swap_missed_count++;
+ intel->swap_missed_ust = ust - intel->swap_ust;
+ }
+
+ intel->swap_ust = ust;
+ }
+
+}
+
+
+
+
+void intelEmitFillBlit( struct intel_context *intel,
+ GLuint cpp,
+ GLshort dst_pitch,
+ struct buffer *dst_buffer,
+ GLuint dst_offset,
+ GLboolean dst_tiled,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h,
+ GLuint color )
+{
+ GLuint BR13, CMD;
+ BATCH_LOCALS;
+
+ dst_pitch *= cpp;
+
+ switch(cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = (0xF0 << 16) | (1<<24);
+ CMD = XY_COLOR_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (0xF0 << 16) | (1<<24) | (1<<25);
+ CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
+ XY_COLOR_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+ if (dst_tiled) {
+ CMD |= XY_DST_TILED;
+ dst_pitch /= 4;
+ }
+
+ BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( CMD );
+ OUT_BATCH( dst_pitch | BR13 );
+ OUT_BATCH( (y << 16) | x );
+ OUT_BATCH( ((y+h) << 16) | (x+w) );
+ OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset );
+ OUT_BATCH( color );
+ ADVANCE_BATCH();
+}
+
+
+/* Copy BitBlt
+ */
+void intelEmitCopyBlit( struct intel_context *intel,
+ GLuint cpp,
+ GLshort src_pitch,
+ struct buffer *src_buffer,
+ GLuint src_offset,
+ GLboolean src_tiled,
+ GLshort dst_pitch,
+ struct buffer *dst_buffer,
+ GLuint dst_offset,
+ GLboolean dst_tiled,
+ GLshort src_x, GLshort src_y,
+ GLshort dst_x, GLshort dst_y,
+ GLshort w, GLshort h )
+{
+ GLuint CMD, BR13;
+ int dst_y2 = dst_y + h;
+ int dst_x2 = dst_x + w;
+ BATCH_LOCALS;
+
+
+ DBG("%s src:buf(%d)/%d %d,%d dst:buf(%d)/%d %d,%d sz:%dx%d\n",
+ __FUNCTION__,
+ src_buffer, src_pitch, src_x, src_y,
+ dst_buffer, dst_pitch, dst_x, dst_y,
+ w,h);
+
+ src_pitch *= cpp;
+ dst_pitch *= cpp;
+
+ switch(cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (0xCC << 16) | (1<<24) | (1<<25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+ if (src_tiled) {
+ CMD |= XY_SRC_TILED;
+ src_pitch /= 4;
+ }
+
+ if (dst_tiled) {
+ CMD |= XY_DST_TILED;
+ dst_pitch /= 4;
+ }
+
+ if (dst_y2 < dst_y ||
+ dst_x2 < dst_x) {
+ return;
+ }
+
+ dst_pitch &= 0xffff;
+ src_pitch &= 0xffff;
+
+ /* Initial y values don't seem to work with negative pitches. If
+ * we adjust the offsets manually (below), it seems to work fine.
+ */
+ if (0) {
+ BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( CMD );
+ OUT_BATCH( dst_pitch | BR13 );
+ OUT_BATCH( (dst_y << 16) | dst_x );
+ OUT_BATCH( (dst_y2 << 16) | dst_x2 );
+ OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset );
+ OUT_BATCH( (src_y << 16) | src_x );
+ OUT_BATCH( src_pitch );
+ OUT_BATCH( bmBufferOffset(intel, src_buffer) + src_offset );
+ ADVANCE_BATCH();
+ }
+ else {
+ BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( CMD );
+ OUT_BATCH( (dst_pitch & 0xffff) | BR13 );
+ OUT_BATCH( (0 << 16) | dst_x );
+ OUT_BATCH( (h << 16) | dst_x2 );
+ OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset + dst_y * dst_pitch );
+ OUT_BATCH( (0 << 16) | src_x );
+ OUT_BATCH( (src_pitch & 0xffff) );
+ OUT_BATCH( bmBufferOffset(intel, src_buffer) + src_offset + src_y * src_pitch );
+ ADVANCE_BATCH();
+ }
+}
+
+
+
+void intelClearWithBlit(GLcontext *ctx, GLbitfield flags, GLboolean all,
+ GLint cx1, GLint cy1, GLint cw, GLint ch)
+{
+ struct intel_context *intel = intel_context( ctx );
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+ GLuint clear_depth, clear_color;
+ GLint cx, cy;
+ GLint cpp = intelScreen->cpp;
+ GLint i;
+ struct intel_region *front = intel->front_region;
+ struct intel_region *back = intel->back_region;
+ struct intel_region *depth = intel->depth_region;
+ GLuint BR13, FRONT_CMD, BACK_CMD, DEPTH_CMD;
+ GLuint front_pitch;
+ GLuint back_pitch;
+ GLuint depth_pitch;
+ BATCH_LOCALS;
+
+
+ clear_color = intel->ClearColor;
+ clear_depth = 0;
+
+ if (flags & BUFFER_BIT_DEPTH) {
+ clear_depth = (GLuint)(ctx->Depth.Clear * intel->ClearDepth);
+ }
+
+ if (flags & BUFFER_BIT_STENCIL) {
+ clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
+ }
+
+ switch(cpp) {
+ case 2:
+ BR13 = (0xF0 << 16) | (1<<24);
+ BACK_CMD = FRONT_CMD = XY_COLOR_BLT_CMD;
+ DEPTH_CMD = XY_COLOR_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (0xF0 << 16) | (1<<24) | (1<<25);
+ BACK_CMD = FRONT_CMD = (XY_COLOR_BLT_CMD |
+ XY_COLOR_BLT_WRITE_ALPHA |
+ XY_COLOR_BLT_WRITE_RGB);
+ DEPTH_CMD = XY_COLOR_BLT_CMD;
+ if (flags & BUFFER_BIT_DEPTH) DEPTH_CMD |= XY_COLOR_BLT_WRITE_RGB;
+ if (flags & BUFFER_BIT_STENCIL) DEPTH_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
+ break;
+ default:
+ return;
+ }
+
+
+
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+ {
+ /* Refresh the cx/y/w/h values as they may have been invalidated
+ * by a new window position or size picked up when we did
+ * LOCK_HARDWARE above. The values passed by mesa are not
+ * reliable.
+ */
+ {
+ cx = ctx->DrawBuffer->_Xmin;
+ cy = ctx->DrawBuffer->_Ymin;
+ ch = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin;
+ cw = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
+ }
+
+ /* flip top to bottom */
+ cy = intel->driDrawable->h-cy1-ch;
+ cx = cx1 + intel->drawX;
+ cy += intel->drawY;
+
+ /* adjust for page flipping */
+ if ( intel->sarea->pf_current_page == 0 ) {
+ front = intel->front_region;
+ back = intel->back_region;
+ }
+ else {
+ back = intel->front_region;
+ front = intel->back_region;
+ }
+
+ front_pitch = front->pitch * front->cpp;
+ back_pitch = back->pitch * back->cpp;
+ depth_pitch = depth->pitch * depth->cpp;
+
+ if (front->tiled) {
+ FRONT_CMD |= XY_DST_TILED;
+ front_pitch /= 4;
+ }
+
+ if (back->tiled) {
+ BACK_CMD |= XY_DST_TILED;
+ back_pitch /= 4;
+ }
+
+ if (depth->tiled) {
+ DEPTH_CMD |= XY_DST_TILED;
+ depth_pitch /= 4;
+ }
+
+ for (i = 0 ; i < intel->numClipRects ; i++)
+ {
+ drm_clip_rect_t *box = &intel->pClipRects[i];
+ drm_clip_rect_t b;
+
+ if (!all) {
+ GLint x = box->x1;
+ GLint y = box->y1;
+ GLint w = box->x2 - x;
+ GLint h = box->y2 - y;
+
+ if (x < cx) w -= cx - x, x = cx;
+ if (y < cy) h -= cy - y, y = cy;
+ if (x + w > cx + cw) w = cx + cw - x;
+ if (y + h > cy + ch) h = cy + ch - y;
+ if (w <= 0) continue;
+ if (h <= 0) continue;
+
+ b.x1 = x;
+ b.y1 = y;
+ b.x2 = x + w;
+ b.y2 = y + h;
+ } else {
+ b = *box;
+ }
+
+
+ if (b.x1 > b.x2 ||
+ b.y1 > b.y2 ||
+ b.x2 > intelScreen->width ||
+ b.y2 > intelScreen->height)
+ continue;
+
+ if ( flags & BUFFER_BIT_FRONT_LEFT ) {
+ BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( FRONT_CMD );
+ OUT_BATCH( front_pitch | BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( bmBufferOffset(intel, front->buffer) );
+ OUT_BATCH( clear_color );
+ ADVANCE_BATCH();
+ }
+
+ if ( flags & BUFFER_BIT_BACK_LEFT ) {
+ BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( BACK_CMD );
+ OUT_BATCH( back_pitch | BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( bmBufferOffset(intel, back->buffer) );
+ OUT_BATCH( clear_color );
+ ADVANCE_BATCH();
+ }
+
+ if ( flags & (BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH) ) {
+ BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH( DEPTH_CMD );
+ OUT_BATCH( depth_pitch | BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( bmBufferOffset(intel, depth->buffer) );
+ OUT_BATCH( clear_depth );
+ ADVANCE_BATCH();
+ }
+ }
+ }
+ intel_batchbuffer_flush( intel->batch );
+ UNLOCK_HARDWARE( intel );
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-28 15:27:57 +0000