| /************************************************************************** |
| * |
| * 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 "i915_context.h" |
| #include "i915_winsys.h" |
| #include "i915_blit.h" |
| #include "i915_reg.h" |
| #include "i915_batch.h" |
| #include "i915_debug.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_BLIT |
| |
| void |
| i915_fill_blit(struct i915_context *i915, |
| unsigned cpp, |
| short dst_pitch, |
| struct pipe_buffer *dst_buffer, |
| unsigned dst_offset, |
| short x, short y, |
| short w, short h, |
| unsigned color) |
| { |
| unsigned BR13, CMD; |
| |
| switch (cpp) { |
| case 1: |
| case 2: |
| case 3: |
| BR13 = dst_pitch | (0xF0 << 16) | (1 << 24); |
| CMD = XY_COLOR_BLT_CMD; |
| break; |
| case 4: |
| BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25); |
| CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | |
| XY_COLOR_BLT_WRITE_RGB); |
| break; |
| default: |
| return; |
| } |
| |
| // DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", |
| // __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h); |
| |
| |
| if (!BEGIN_BATCH(6, 1)) { |
| FLUSH_BATCH(NULL); |
| assert(BEGIN_BATCH(6, 1)); |
| } |
| OUT_BATCH(CMD); |
| OUT_BATCH(BR13); |
| OUT_BATCH((y << 16) | x); |
| OUT_BATCH(((y + h) << 16) | (x + w)); |
| OUT_RELOC( dst_buffer, I915_BUFFER_ACCESS_WRITE, dst_offset); |
| OUT_BATCH(color); |
| FLUSH_BATCH(NULL); |
| } |
| |
| |
| void |
| i915_copy_blit( struct i915_context *i915, |
| unsigned do_flip, |
| unsigned cpp, |
| short src_pitch, |
| struct pipe_buffer *src_buffer, |
| unsigned src_offset, |
| short dst_pitch, |
| struct pipe_buffer *dst_buffer, |
| unsigned dst_offset, |
| short src_x, short src_y, |
| short dst_x, short dst_y, |
| short w, short h ) |
| { |
| unsigned CMD, BR13; |
| int dst_y2 = dst_y + h; |
| int dst_x2 = dst_x + w; |
| |
| |
| I915_DBG(i915, |
| "%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", |
| __FUNCTION__, |
| src_buffer, src_pitch, src_offset, src_x, src_y, |
| dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h); |
| |
| src_pitch *= (short) cpp; |
| dst_pitch *= (short) cpp; |
| |
| switch (cpp) { |
| case 1: |
| case 2: |
| case 3: |
| BR13 = (((int) dst_pitch) & 0xffff) | |
| (0xCC << 16) | (1 << 24); |
| CMD = XY_SRC_COPY_BLT_CMD; |
| break; |
| case 4: |
| BR13 = |
| (((int) dst_pitch) & 0xffff) | |
| (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 (dst_y2 < dst_y || |
| dst_x2 < dst_x) { |
| return; |
| } |
| |
| /* Hardware can handle negative pitches but loses the ability to do |
| * proper overlapping blits in that case. We don't really have a |
| * need for either at this stage. |
| */ |
| assert (dst_pitch > 0 && src_pitch > 0); |
| |
| |
| if (!BEGIN_BATCH(8, 2)) { |
| FLUSH_BATCH(NULL); |
| assert(BEGIN_BATCH(8, 2)); |
| } |
| OUT_BATCH(CMD); |
| OUT_BATCH(BR13); |
| OUT_BATCH((dst_y << 16) | dst_x); |
| OUT_BATCH((dst_y2 << 16) | dst_x2); |
| OUT_RELOC(dst_buffer, I915_BUFFER_ACCESS_WRITE, dst_offset); |
| OUT_BATCH((src_y << 16) | src_x); |
| OUT_BATCH(((int) src_pitch & 0xffff)); |
| OUT_RELOC(src_buffer, I915_BUFFER_ACCESS_READ, src_offset); |
| FLUSH_BATCH(NULL); |
| } |
| |
| |