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Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_clear.c')
-rw-r--r--src/gallium/drivers/i965/brw_pipe_clear.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_clear.c b/src/gallium/drivers/i965/brw_pipe_clear.c
deleted file mode 100644
index 759ef4c7dd9..00000000000
--- a/src/gallium/drivers/i965/brw_pipe_clear.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/**************************************************************************
- *
- * 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 "util/u_pack_color.h"
-#include "util/u_math.h"
-
-#include "pipe/p_state.h"
-
-#include "brw_batchbuffer.h"
-#include "brw_screen.h"
-#include "brw_context.h"
-
-#define MASK16 0xffff
-#define MASK24 0xffffff
-
-
-/**
- * Use blitting to clear the renderbuffers named by 'flags'.
- * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferIndexes field
- * since that might include software renderbuffers or renderbuffers
- * which we're clearing with triangles.
- */
-static enum pipe_error
-try_clear( struct brw_context *brw,
- struct brw_surface *surface,
- unsigned value,
- unsigned rgba_mask)
-{
- uint32_t BR13, CMD;
- int x1 = 0;
- int y1 = 0;
- int x2 = surface->base.width;
- int y2 = surface->base.height;
- int pitch = surface->pitch;
- int cpp = surface->cpp;
-
- if (x2 == 0 || y2 == 0)
- return 0;
-
- debug_printf("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
- __FUNCTION__,
- (void *)surface->bo, pitch * cpp,
- surface->offset,
- x1, y1, x2 - x1, y2 - y1);
-
- BR13 = 0xf0 << 16;
- CMD = XY_COLOR_BLT_CMD | rgba_mask;
-
- /* Setup the blit command */
- if (cpp == 4) {
- BR13 |= BR13_8888;
- }
- else {
- assert(cpp == 2);
- BR13 |= BR13_565;
- }
-
- /* XXX: nasty hack for clearing depth buffers
- */
- if (surface->tiling == BRW_TILING_Y) {
- x2 = pitch;
- }
-
- if (surface->tiling == BRW_TILING_X) {
- CMD |= XY_DST_TILED;
- pitch /= 4;
- }
-
- BR13 |= (pitch * cpp);
-
- BEGIN_BATCH(6, 0);
- OUT_BATCH(CMD);
- OUT_BATCH(BR13);
- OUT_BATCH((y1 << 16) | x1);
- OUT_BATCH((y2 << 16) | x2);
- OUT_RELOC(surface->bo,
- BRW_USAGE_BLIT_DEST,
- surface->offset);
- OUT_BATCH(value);
- ADVANCE_BATCH();
-
- return 0;
-}
-
-
-
-
-static void color_clear(struct brw_context *brw,
- struct brw_surface *bsurface,
- const float *rgba )
-{
- enum pipe_error ret;
- union util_color value;
-
- util_pack_color( rgba, bsurface->base.format, &value );
-
- if (bsurface->cpp == 2)
- value.ui |= value.ui << 16;
-
- ret = try_clear( brw, bsurface, value.ui,
- XY_BLT_WRITE_RGB | XY_BLT_WRITE_ALPHA );
-
- if (ret != 0) {
- brw_context_flush( brw );
- ret = try_clear( brw, bsurface, value.ui,
- XY_BLT_WRITE_RGB | XY_BLT_WRITE_ALPHA );
- assert( ret == 0 );
- }
-}
-
-static void zstencil_clear(struct brw_context *brw,
- struct brw_surface *bsurface,
- unsigned clear_flags,
- double depth,
- unsigned stencil )
-{
- enum pipe_error ret;
- unsigned value;
- unsigned mask = 0;
- union fi tmp;
-
- if (clear_flags & PIPE_CLEAR_DEPTH)
- mask |= XY_BLT_WRITE_RGB;
-
- switch (bsurface->base.format) {
- case PIPE_FORMAT_Z32_FLOAT:
- tmp.f = (float)depth;
- value = tmp.ui;
- break;
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- value = ((unsigned)(depth * MASK24) & MASK24);
- break;
- case PIPE_FORMAT_Z16_UNORM:
- value = ((unsigned)(depth * MASK16) & MASK16);
- break;
- default:
- assert(0);
- return;
- }
-
- switch (bsurface->base.format) {
- case PIPE_FORMAT_Z32_FLOAT:
- mask |= XY_BLT_WRITE_ALPHA;
- break;
- case PIPE_FORMAT_Z24X8_UNORM:
- value = value | (stencil << 24);
- mask |= XY_BLT_WRITE_ALPHA;
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- value = value | (stencil << 24);
- if (clear_flags & PIPE_CLEAR_STENCIL)
- mask |= XY_BLT_WRITE_ALPHA;
- break;
- case PIPE_FORMAT_Z16_UNORM:
- value = value | (value << 16);
- mask |= XY_BLT_WRITE_ALPHA;
- break;
- default:
- break;
- }
-
- ret = try_clear( brw, bsurface, value, mask );
-
- if (ret != 0) {
- brw_context_flush( brw );
- ret = try_clear( brw, bsurface, value, mask );
- assert( ret == 0 );
- }
-}
-
-
-
-/**
- * Clear the given surface to the specified value.
- * No masking, no scissor (clear entire buffer).
- */
-static void brw_clear(struct pipe_context *pipe,
- unsigned buffers,
- const union pipe_color_union *color,
- double depth,
- unsigned stencil)
-{
- struct brw_context *brw = brw_context( pipe );
- int i;
-
- if (buffers & PIPE_CLEAR_COLOR) {
- for (i = 0; i < brw->curr.fb.nr_cbufs; i++) {
- color_clear( brw,
- brw_surface(brw->curr.fb.cbufs[i]),
- color->f );
- }
- }
-
- if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
- if (brw->curr.fb.zsbuf) {
- zstencil_clear( brw,
- brw_surface(brw->curr.fb.zsbuf),
- buffers & PIPE_CLEAR_DEPTHSTENCIL,
- depth, stencil );
- }
- }
-}
-
-/* XXX should respect region */
-static void brw_clear_render_target(struct pipe_context *pipe,
- struct pipe_surface *dst,
- const union pipe_color_union *color,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct brw_context *brw = brw_context( pipe );
-
- color_clear( brw,
- brw_surface(dst),
- color->f );
-}
-
-/* XXX should respect region */
-static void brw_clear_depth_stencil(struct pipe_context *pipe,
- struct pipe_surface *dst,
- unsigned clear_flags,
- double depth,
- unsigned stencil,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct brw_context *brw = brw_context( pipe );
-
- zstencil_clear( brw,
- brw_surface(dst),
- clear_flags,
- depth, stencil );
-}
-
-void brw_pipe_clear_init( struct brw_context *brw )
-{
- brw->base.clear = brw_clear;
- brw->base.clear_render_target = brw_clear_render_target;
- brw->base.clear_depth_stencil = brw_clear_depth_stencil;
-}
-
-
-void brw_pipe_clear_cleanup( struct brw_context *brw )
-{
-}
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