1 /************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29 #include "i915_blit.h" 30 #include "i915_reg.h" 31 #include "i915_batch.h" 32 #include "i915_debug.h" 33 34 35 void 36 i915_fill_blit(struct i915_context *i915, 37 unsigned cpp, 38 unsigned rgba_mask, 39 unsigned short dst_pitch, 40 struct i915_winsys_buffer *dst_buffer, 41 unsigned dst_offset, 42 short x, short y, 43 short w, short h, 44 unsigned color) 45 { 46 unsigned BR13, CMD; 47 48 49 I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", 50 __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h); 51 52 if(!i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)) { 53 FLUSH_BATCH(NULL); 54 assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)); 55 } 56 57 switch (cpp) { 58 case 1: 59 case 2: 60 case 3: 61 BR13 = (((int) dst_pitch) & 0xffff) | 62 (0xF0 << 16) | (1 << 24); 63 CMD = XY_COLOR_BLT_CMD; 64 break; 65 case 4: 66 BR13 = (((int) dst_pitch) & 0xffff) | 67 (0xF0 << 16) | (1 << 24) | (1 << 25); 68 CMD = (XY_COLOR_BLT_CMD | rgba_mask); 69 break; 70 default: 71 return; 72 } 73 74 if (!BEGIN_BATCH(6)) { 75 FLUSH_BATCH(NULL); 76 assert(BEGIN_BATCH(6)); 77 } 78 OUT_BATCH(CMD); 79 OUT_BATCH(BR13); 80 OUT_BATCH((y << 16) | x); 81 OUT_BATCH(((y + h) << 16) | (x + w)); 82 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset); 83 OUT_BATCH(color); 84 85 i915_set_flush_dirty(i915, I915_FLUSH_CACHE); 86 } 87 88 void 89 i915_copy_blit(struct i915_context *i915, 90 unsigned cpp, 91 unsigned short src_pitch, 92 struct i915_winsys_buffer *src_buffer, 93 unsigned src_offset, 94 unsigned short dst_pitch, 95 struct i915_winsys_buffer *dst_buffer, 96 unsigned dst_offset, 97 short src_x, short src_y, 98 short dst_x, short dst_y, 99 short w, short h) 100 { 101 unsigned CMD, BR13; 102 int dst_y2 = dst_y + h; 103 int dst_x2 = dst_x + w; 104 struct i915_winsys_buffer *buffers[2] = {src_buffer, dst_buffer}; 105 106 107 I915_DBG(DBG_BLIT, 108 "%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", 109 __FUNCTION__, 110 src_buffer, src_pitch, src_offset, src_x, src_y, 111 dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h); 112 113 if(!i915_winsys_validate_buffers(i915->batch, buffers, 2)) { 114 FLUSH_BATCH(NULL); 115 assert(i915_winsys_validate_buffers(i915->batch, buffers, 2)); 116 } 117 118 switch (cpp) { 119 case 1: 120 case 2: 121 case 3: 122 BR13 = (((int) dst_pitch) & 0xffff) | 123 (0xCC << 16) | (1 << 24); 124 CMD = XY_SRC_COPY_BLT_CMD; 125 break; 126 case 4: 127 BR13 = (((int) dst_pitch) & 0xffff) | 128 (0xCC << 16) | (1 << 24) | (1 << 25); 129 CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | 130 XY_SRC_COPY_BLT_WRITE_RGB); 131 break; 132 default: 133 return; 134 } 135 136 if (dst_y2 < dst_y || dst_x2 < dst_x) { 137 return; 138 } 139 140 /* Hardware can handle negative pitches but loses the ability to do 141 * proper overlapping blits in that case. We don't really have a 142 * need for either at this stage. 143 */ 144 assert (dst_pitch > 0 && src_pitch > 0); 145 146 if (!BEGIN_BATCH(8)) { 147 FLUSH_BATCH(NULL); 148 assert(BEGIN_BATCH(8)); 149 } 150 OUT_BATCH(CMD); 151 OUT_BATCH(BR13); 152 OUT_BATCH((dst_y << 16) | dst_x); 153 OUT_BATCH((dst_y2 << 16) | dst_x2); 154 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset); 155 OUT_BATCH((src_y << 16) | src_x); 156 OUT_BATCH(((int) src_pitch & 0xffff)); 157 OUT_RELOC_FENCED(src_buffer, I915_USAGE_2D_SOURCE, src_offset); 158 159 i915_set_flush_dirty(i915, I915_FLUSH_CACHE); 160 } 161
