-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+/*
+ * Copyright 2003 VMware, Inc.
* 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
+ * distribute, sublicense, 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
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE 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 "main/mtypes.h"
+#include "main/blit.h"
#include "main/context.h"
#include "main/enums.h"
-#include "main/colormac.h"
#include "main/fbobject.h"
+#include "brw_context.h"
+#include "brw_defines.h"
#include "intel_blit.h"
#include "intel_buffers.h"
-#include "intel_context.h"
#include "intel_fbo.h"
-#include "intel_reg.h"
-#include "intel_regions.h"
#include "intel_batchbuffer.h"
#include "intel_mipmap_tree.h"
#define FILE_DEBUG_FLAG DEBUG_BLIT
+#define SET_TILING_XY_FAST_COPY_BLT(tiling, tr_mode, type) \
+({ \
+ switch (tiling) { \
+ case I915_TILING_X: \
+ CMD |= type ## _TILED_X; \
+ break; \
+ case I915_TILING_Y: \
+ if (tr_mode == INTEL_MIPTREE_TRMODE_YS) \
+ CMD |= type ## _TILED_64K; \
+ else \
+ CMD |= type ## _TILED_Y; \
+ break; \
+ default: \
+ unreachable("not reached"); \
+ } \
+})
+
static void
-intel_miptree_set_alpha_to_one(struct intel_context *intel,
+intel_miptree_set_alpha_to_one(struct brw_context *brw,
struct intel_mipmap_tree *mt,
int x, int y, int width, int height);
br13_for_cpp(int cpp)
{
switch (cpp) {
+ case 16:
+ return BR13_32323232;
+ case 8:
+ return BR13_16161616;
case 4:
return BR13_8888;
- break;
case 2:
return BR13_565;
- break;
case 1:
return BR13_8;
- break;
default:
- assert(0);
- return 0;
+ unreachable("not reached");
}
}
* tiling state would leak into other unsuspecting applications (like the X
* server).
*/
-static void
-set_blitter_tiling(struct intel_context *intel,
- bool dst_y_tiled, bool src_y_tiled)
+static uint32_t *
+set_blitter_tiling(struct brw_context *brw,
+ bool dst_y_tiled, bool src_y_tiled,
+ uint32_t *__map)
{
- assert(intel->gen >= 6);
+ assert(brw->gen >= 6);
/* Idle the blitter before we update how tiling is interpreted. */
OUT_BATCH(MI_FLUSH_DW);
OUT_BATCH((BCS_SWCTRL_DST_Y | BCS_SWCTRL_SRC_Y) << 16 |
(dst_y_tiled ? BCS_SWCTRL_DST_Y : 0) |
(src_y_tiled ? BCS_SWCTRL_SRC_Y : 0));
+ return __map;
}
+#define SET_BLITTER_TILING(...) __map = set_blitter_tiling(__VA_ARGS__, __map)
-#define BEGIN_BATCH_BLT_TILED(n, dst_y_tiled, src_y_tiled) do { \
+#define BEGIN_BATCH_BLT_TILED(n, dst_y_tiled, src_y_tiled) \
BEGIN_BATCH_BLT(n + ((dst_y_tiled || src_y_tiled) ? 14 : 0)); \
if (dst_y_tiled || src_y_tiled) \
- set_blitter_tiling(intel, dst_y_tiled, src_y_tiled); \
- } while (0)
+ SET_BLITTER_TILING(brw, dst_y_tiled, src_y_tiled)
-#define ADVANCE_BATCH_TILED(dst_y_tiled, src_y_tiled) do { \
+#define ADVANCE_BATCH_TILED(dst_y_tiled, src_y_tiled) \
if (dst_y_tiled || src_y_tiled) \
- set_blitter_tiling(intel, false, false); \
- ADVANCE_BATCH(); \
- } while (0)
+ SET_BLITTER_TILING(brw, false, false); \
+ ADVANCE_BATCH()
+
+static int
+blt_pitch(struct intel_mipmap_tree *mt)
+{
+ int pitch = mt->pitch;
+ if (mt->tiling)
+ pitch /= 4;
+ return pitch;
+}
+
+bool
+intel_miptree_blit_compatible_formats(mesa_format src, mesa_format dst)
+{
+ /* The BLT doesn't handle sRGB conversion */
+ assert(src == _mesa_get_srgb_format_linear(src));
+ assert(dst == _mesa_get_srgb_format_linear(dst));
+
+ /* No swizzle or format conversions possible, except... */
+ if (src == dst)
+ return true;
+
+ /* ...we can either discard the alpha channel when going from A->X,
+ * or we can fill the alpha channel with 0xff when going from X->A
+ */
+ if (src == MESA_FORMAT_B8G8R8A8_UNORM || src == MESA_FORMAT_B8G8R8X8_UNORM)
+ return (dst == MESA_FORMAT_B8G8R8A8_UNORM ||
+ dst == MESA_FORMAT_B8G8R8X8_UNORM);
+
+ if (src == MESA_FORMAT_R8G8B8A8_UNORM || src == MESA_FORMAT_R8G8B8X8_UNORM)
+ return (dst == MESA_FORMAT_R8G8B8A8_UNORM ||
+ dst == MESA_FORMAT_R8G8B8X8_UNORM);
+
+ return false;
+}
/**
* Implements a rectangular block transfer (blit) of pixels between two
* renderbuffers/textures.
*/
bool
-intel_miptree_blit(struct intel_context *intel,
+intel_miptree_blit(struct brw_context *brw,
struct intel_mipmap_tree *src_mt,
int src_level, int src_slice,
uint32_t src_x, uint32_t src_y, bool src_flip,
uint32_t width, uint32_t height,
GLenum logicop)
{
+ /* The blitter doesn't understand multisampling at all. */
+ if (src_mt->num_samples > 0 || dst_mt->num_samples > 0)
+ return false;
+
/* No sRGB decode or encode is done by the hardware blitter, which is
- * consistent with what we want in the callers (glCopyTexSubImage(),
- * glBlitFramebuffer(), texture validation, etc.).
+ * consistent with what we want in many callers (glCopyTexSubImage(),
+ * texture validation, etc.).
*/
- gl_format src_format = _mesa_get_srgb_format_linear(src_mt->format);
- gl_format dst_format = _mesa_get_srgb_format_linear(dst_mt->format);
+ mesa_format src_format = _mesa_get_srgb_format_linear(src_mt->format);
+ mesa_format dst_format = _mesa_get_srgb_format_linear(dst_mt->format);
/* The blitter doesn't support doing any format conversions. We do also
* support blitting ARGB8888 to XRGB8888 (trivial, the values dropped into
* the X channel don't matter), and XRGB8888 to ARGB8888 by setting the A
* channel to 1.0 at the end.
*/
- if (src_format != dst_format &&
- ((src_format != MESA_FORMAT_ARGB8888 &&
- src_format != MESA_FORMAT_XRGB8888) ||
- (dst_format != MESA_FORMAT_ARGB8888 &&
- dst_format != MESA_FORMAT_XRGB8888))) {
+ if (!intel_miptree_blit_compatible_formats(src_format, dst_format)) {
perf_debug("%s: Can't use hardware blitter from %s to %s, "
- "falling back.\n", __FUNCTION__,
+ "falling back.\n", __func__,
_mesa_get_format_name(src_format),
_mesa_get_format_name(dst_format));
return false;
*
* Furthermore, intelEmitCopyBlit (which is called below) uses a signed
* 16-bit integer to represent buffer pitch, so it can only handle buffer
- * pitches < 32k.
+ * pitches < 32k. However, the pitch is measured in bytes for linear buffers
+ * and dwords for tiled buffers.
*
* As a result of these two limitations, we can only use the blitter to do
- * this copy when the region's pitch is less than 32k.
+ * this copy when the miptree's pitch is less than 32k linear or 128k tiled.
*/
- if (src_mt->region->pitch > 32768 ||
- dst_mt->region->pitch > 32768) {
- perf_debug("Falling back due to >32k pitch\n");
+ if (blt_pitch(src_mt) >= 32768 || blt_pitch(dst_mt) >= 32768) {
+ perf_debug("Falling back due to >= 32k/128k pitch\n");
return false;
}
/* The blitter has no idea about HiZ or fast color clears, so we need to
* resolve the miptrees before we do anything.
*/
- intel_miptree_slice_resolve_depth(intel, src_mt, src_level, src_slice);
- intel_miptree_slice_resolve_depth(intel, dst_mt, dst_level, dst_slice);
- intel_miptree_resolve_color(intel, src_mt);
- intel_miptree_resolve_color(intel, dst_mt);
+ intel_miptree_slice_resolve_depth(brw, src_mt, src_level, src_slice);
+ intel_miptree_slice_resolve_depth(brw, dst_mt, dst_level, dst_slice);
+ intel_miptree_resolve_color(brw, src_mt, 0);
+ intel_miptree_resolve_color(brw, dst_mt, 0);
if (src_flip)
- src_y = src_mt->level[src_level].height - src_y - height;
+ src_y = minify(src_mt->physical_height0, src_level - src_mt->first_level) - src_y - height;
if (dst_flip)
- dst_y = dst_mt->level[dst_level].height - dst_y - height;
-
- int src_pitch = src_mt->region->pitch;
- if (src_flip != dst_flip)
- src_pitch = -src_pitch;
+ dst_y = minify(dst_mt->physical_height0, dst_level - dst_mt->first_level) - dst_y - height;
- uint32_t src_image_x, src_image_y;
+ uint32_t src_image_x, src_image_y, dst_image_x, dst_image_y;
intel_miptree_get_image_offset(src_mt, src_level, src_slice,
&src_image_x, &src_image_y);
- src_x += src_image_x;
- src_y += src_image_y;
-
- uint32_t dst_image_x, dst_image_y;
intel_miptree_get_image_offset(dst_mt, dst_level, dst_slice,
&dst_image_x, &dst_image_y);
+ src_x += src_image_x;
+ src_y += src_image_y;
dst_x += dst_image_x;
dst_y += dst_image_y;
- if (!intelEmitCopyBlit(intel,
+ /* The blitter interprets the 16-bit destination x/y as a signed 16-bit
+ * value. The values we're working with are unsigned, so make sure we don't
+ * overflow.
+ */
+ if (src_x >= 32768 || src_y >= 32768 || dst_x >= 32768 || dst_y >= 32768) {
+ perf_debug("Falling back due to >=32k offset [src(%d, %d) dst(%d, %d)]\n",
+ src_x, src_y, dst_x, dst_y);
+ return false;
+ }
+
+ if (!intelEmitCopyBlit(brw,
src_mt->cpp,
- src_pitch,
- src_mt->region->bo, src_mt->offset,
- src_mt->region->tiling,
- dst_mt->region->pitch,
- dst_mt->region->bo, dst_mt->offset,
- dst_mt->region->tiling,
+ src_flip == dst_flip ? src_mt->pitch : -src_mt->pitch,
+ src_mt->bo, src_mt->offset,
+ src_mt->tiling,
+ src_mt->tr_mode,
+ dst_mt->pitch,
+ dst_mt->bo, dst_mt->offset,
+ dst_mt->tiling,
+ dst_mt->tr_mode,
src_x, src_y,
dst_x, dst_y,
width, height,
return false;
}
- if (src_mt->format == MESA_FORMAT_XRGB8888 &&
- dst_mt->format == MESA_FORMAT_ARGB8888) {
- intel_miptree_set_alpha_to_one(intel, dst_mt,
+ /* XXX This could be done in a single pass using XY_FULL_MONO_PATTERN_BLT */
+ if (_mesa_get_format_bits(src_format, GL_ALPHA_BITS) == 0 &&
+ _mesa_get_format_bits(dst_format, GL_ALPHA_BITS) > 0) {
+ intel_miptree_set_alpha_to_one(brw, dst_mt,
dst_x, dst_y,
width, height);
}
return true;
}
+static bool
+alignment_valid(struct brw_context *brw, unsigned offset, uint32_t tiling)
+{
+ /* Tiled buffers must be page-aligned (4K). */
+ if (tiling != I915_TILING_NONE)
+ return (offset & 4095) == 0;
+
+ /* On Gen8+, linear buffers must be cacheline-aligned. */
+ if (brw->gen >= 8)
+ return (offset & 63) == 0;
+
+ return true;
+}
+
+static bool
+can_fast_copy_blit(struct brw_context *brw,
+ drm_intel_bo *src_buffer,
+ int16_t src_x, int16_t src_y,
+ uintptr_t src_offset, uint32_t src_pitch,
+ uint32_t src_tiling, uint32_t src_tr_mode,
+ drm_intel_bo *dst_buffer,
+ int16_t dst_x, int16_t dst_y,
+ uintptr_t dst_offset, uint32_t dst_pitch,
+ uint32_t dst_tiling, uint32_t dst_tr_mode,
+ int16_t w, int16_t h, uint32_t cpp,
+ GLenum logic_op)
+{
+ const bool dst_tiling_none = dst_tiling == I915_TILING_NONE;
+ const bool src_tiling_none = src_tiling == I915_TILING_NONE;
+
+ if (brw->gen < 9)
+ return false;
+
+ /* Enable fast copy blit only if the surfaces are Yf/Ys tiled.
+ * FIXME: Based on performance data, remove this condition later to
+ * enable for all types of surfaces.
+ */
+ if (src_tr_mode == INTEL_MIPTREE_TRMODE_NONE &&
+ dst_tr_mode == INTEL_MIPTREE_TRMODE_NONE)
+ return false;
+
+ if (logic_op != GL_COPY)
+ return false;
+
+ /* The start pixel for Fast Copy blit should be on an OWord boundary. */
+ if ((dst_x * cpp | src_x * cpp) & 15)
+ return false;
+
+ /* For all surface types buffers must be cacheline-aligned. */
+ if ((dst_offset | src_offset) & 63)
+ return false;
+
+ /* Color depths which are not power of 2 or greater than 128 bits are
+ * not supported.
+ */
+ if (!_mesa_is_pow_two(cpp) || cpp > 16)
+ return false;
+
+ /* For Fast Copy Blits the pitch cannot be a negative number. So, bit 15
+ * of the destination pitch must be zero.
+ */
+ if ((src_pitch >> 15 & 1) != 0 || (dst_pitch >> 15 & 1) != 0)
+ return false;
+
+ /* For Linear surfaces, the pitch has to be an OWord (16byte) multiple. */
+ if ((src_tiling_none && src_pitch % 16 != 0) ||
+ (dst_tiling_none && dst_pitch % 16 != 0))
+ return false;
+
+ return true;
+}
+
+static uint32_t
+xy_blit_cmd(uint32_t src_tiling, uint32_t src_tr_mode,
+ uint32_t dst_tiling, uint32_t dst_tr_mode,
+ uint32_t cpp, bool use_fast_copy_blit)
+{
+ uint32_t CMD = 0;
+
+ if (use_fast_copy_blit) {
+ CMD = XY_FAST_COPY_BLT_CMD;
+
+ if (dst_tiling != I915_TILING_NONE)
+ SET_TILING_XY_FAST_COPY_BLT(dst_tiling, dst_tr_mode, XY_FAST_DST);
+
+ if (src_tiling != I915_TILING_NONE)
+ SET_TILING_XY_FAST_COPY_BLT(src_tiling, src_tr_mode, XY_FAST_SRC);
+ } else {
+ assert(cpp <= 4);
+ switch (cpp) {
+ case 1:
+ case 2:
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+ if (dst_tiling != I915_TILING_NONE)
+ CMD |= XY_DST_TILED;
+
+ if (src_tiling != I915_TILING_NONE)
+ CMD |= XY_SRC_TILED;
+ }
+ return CMD;
+}
+
/* Copy BitBlt
*/
bool
-intelEmitCopyBlit(struct intel_context *intel,
+intelEmitCopyBlit(struct brw_context *brw,
GLuint cpp,
GLshort src_pitch,
drm_intel_bo *src_buffer,
GLuint src_offset,
uint32_t src_tiling,
+ uint32_t src_tr_mode,
GLshort dst_pitch,
drm_intel_bo *dst_buffer,
GLuint dst_offset,
uint32_t dst_tiling,
+ uint32_t dst_tr_mode,
GLshort src_x, GLshort src_y,
GLshort dst_x, GLshort dst_y,
GLshort w, GLshort h,
drm_intel_bo *aper_array[3];
bool dst_y_tiled = dst_tiling == I915_TILING_Y;
bool src_y_tiled = src_tiling == I915_TILING_Y;
- BATCH_LOCALS;
+ bool use_fast_copy_blit = false;
+ uint32_t src_tile_w, src_tile_h;
+ uint32_t dst_tile_w, dst_tile_h;
- if (dst_tiling != I915_TILING_NONE) {
- if (dst_offset & 4095)
- return false;
- }
- if (src_tiling != I915_TILING_NONE) {
- if (src_offset & 4095)
- return false;
- }
- if ((dst_y_tiled || src_y_tiled) && intel->gen < 6)
+ if ((dst_y_tiled || src_y_tiled) && brw->gen < 6)
return false;
/* do space check before going any further */
do {
- aper_array[0] = intel->batch.bo;
+ aper_array[0] = brw->batch.bo;
aper_array[1] = dst_buffer;
aper_array[2] = src_buffer;
if (dri_bufmgr_check_aperture_space(aper_array, 3) != 0) {
- intel_batchbuffer_flush(intel);
+ intel_batchbuffer_flush(brw);
pass++;
} else
break;
if (pass >= 2)
return false;
- intel_batchbuffer_require_space(intel, 8 * 4, true);
+ unsigned length = brw->gen >= 8 ? 10 : 8;
+
+ intel_batchbuffer_require_space(brw, length * 4, BLT_RING);
DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
- __FUNCTION__,
+ __func__,
src_buffer, src_pitch, src_offset, src_x, src_y,
dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
- /* Blit pitch must be dword-aligned. Otherwise, the hardware appears to drop
- * the low bits.
+ intel_get_tile_dims(src_tiling, src_tr_mode, cpp, &src_tile_w, &src_tile_h);
+ intel_get_tile_dims(dst_tiling, dst_tr_mode, cpp, &dst_tile_w, &dst_tile_h);
+
+ /* For Tiled surfaces, the pitch has to be a multiple of the Tile width
+ * (X direction width of the Tile). This is ensured while allocating the
+ * buffer object.
*/
- if (src_pitch % 4 != 0 || dst_pitch % 4 != 0)
+ assert(src_tiling == I915_TILING_NONE || (src_pitch % src_tile_w) == 0);
+ assert(dst_tiling == I915_TILING_NONE || (dst_pitch % dst_tile_w) == 0);
+
+ use_fast_copy_blit = can_fast_copy_blit(brw,
+ src_buffer,
+ src_x, src_y,
+ src_offset, src_pitch,
+ src_tiling, src_tr_mode,
+ dst_buffer,
+ dst_x, dst_y,
+ dst_offset, dst_pitch,
+ dst_tiling, dst_tr_mode,
+ w, h, cpp, logic_op);
+ if (!use_fast_copy_blit &&
+ (src_tr_mode != INTEL_MIPTREE_TRMODE_NONE ||
+ dst_tr_mode != INTEL_MIPTREE_TRMODE_NONE))
return false;
- /* For big formats (such as floating point), do the copy using 16 or 32bpp
- * and multiply the coordinates.
- */
- if (cpp > 4) {
- if (cpp % 4 == 2) {
- dst_x *= cpp / 2;
- dst_x2 *= cpp / 2;
- src_x *= cpp / 2;
- cpp = 2;
- } else {
- assert(cpp % 4 == 0);
- dst_x *= cpp / 4;
- dst_x2 *= cpp / 4;
- src_x *= cpp / 4;
- cpp = 4;
+ if (use_fast_copy_blit) {
+ assert(logic_op == GL_COPY);
+
+ /* When two sequential fast copy blits have different source surfaces,
+ * but their destinations refer to the same destination surfaces and
+ * therefore destinations overlap it is imperative that a flush be
+ * inserted between the two blits.
+ *
+ * FIXME: Figure out a way to avoid flushing when not required.
+ */
+ brw_emit_mi_flush(brw);
+
+ assert(cpp <= 16);
+ BR13 = br13_for_cpp(cpp);
+
+ if (src_tr_mode == INTEL_MIPTREE_TRMODE_YF)
+ BR13 |= XY_FAST_SRC_TRMODE_YF;
+
+ if (dst_tr_mode == INTEL_MIPTREE_TRMODE_YF)
+ BR13 |= XY_FAST_DST_TRMODE_YF;
+
+ CMD = xy_blit_cmd(src_tiling, src_tr_mode,
+ dst_tiling, dst_tr_mode,
+ cpp, use_fast_copy_blit);
+
+ } else {
+ /* For big formats (such as floating point), do the copy using 16 or
+ * 32bpp and multiply the coordinates.
+ */
+ if (cpp > 4) {
+ if (cpp % 4 == 2) {
+ dst_x *= cpp / 2;
+ dst_x2 *= cpp / 2;
+ src_x *= cpp / 2;
+ cpp = 2;
+ } else {
+ assert(cpp % 4 == 0);
+ dst_x *= cpp / 4;
+ dst_x2 *= cpp / 4;
+ src_x *= cpp / 4;
+ cpp = 4;
+ }
}
- }
- BR13 = br13_for_cpp(cpp) | translate_raster_op(logic_op) << 16;
+ if (!alignment_valid(brw, dst_offset, dst_tiling))
+ return false;
+ if (!alignment_valid(brw, src_offset, src_tiling))
+ return false;
- switch (cpp) {
- case 1:
- case 2:
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
- break;
- default:
- return false;
+ /* Blit pitch must be dword-aligned. Otherwise, the hardware appears to drop
+ * the low bits. Offsets must be naturally aligned.
+ */
+ if (src_pitch % 4 != 0 || src_offset % cpp != 0 ||
+ dst_pitch % 4 != 0 || dst_offset % cpp != 0)
+ return false;
+
+ assert(cpp <= 4);
+ BR13 = br13_for_cpp(cpp) | translate_raster_op(logic_op) << 16;
+
+ CMD = xy_blit_cmd(src_tiling, src_tr_mode,
+ dst_tiling, dst_tr_mode,
+ cpp, use_fast_copy_blit);
}
-#ifndef I915
- if (dst_tiling != I915_TILING_NONE) {
- CMD |= XY_DST_TILED;
+ /* For tiled source and destination, pitch value should be specified
+ * as a number of Dwords.
+ */
+ if (dst_tiling != I915_TILING_NONE)
dst_pitch /= 4;
- }
- if (src_tiling != I915_TILING_NONE) {
- CMD |= XY_SRC_TILED;
+
+ if (src_tiling != I915_TILING_NONE)
src_pitch /= 4;
- }
-#endif
- if (dst_y2 <= dst_y || dst_x2 <= dst_x) {
+ if (dst_y2 <= dst_y || dst_x2 <= dst_x)
return true;
- }
assert(dst_x < dst_x2);
assert(dst_y < dst_y2);
+ assert(src_offset + (src_y + h - 1) * abs(src_pitch) +
+ (w * cpp) <= src_buffer->size);
+ assert(dst_offset + (dst_y + h - 1) * abs(dst_pitch) +
+ (w * cpp) <= dst_buffer->size);
- BEGIN_BATCH_BLT_TILED(8, dst_y_tiled, src_y_tiled);
-
- OUT_BATCH(CMD | (8 - 2));
+ BEGIN_BATCH_BLT_TILED(length, dst_y_tiled, src_y_tiled);
+ OUT_BATCH(CMD | (length - 2));
OUT_BATCH(BR13 | (uint16_t)dst_pitch);
- OUT_BATCH((dst_y << 16) | dst_x);
- OUT_BATCH((dst_y2 << 16) | dst_x2);
- OUT_RELOC_FENCED(dst_buffer,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- dst_offset);
- OUT_BATCH((src_y << 16) | src_x);
+ OUT_BATCH(SET_FIELD(dst_y, BLT_Y) | SET_FIELD(dst_x, BLT_X));
+ OUT_BATCH(SET_FIELD(dst_y2, BLT_Y) | SET_FIELD(dst_x2, BLT_X));
+ if (brw->gen >= 8) {
+ OUT_RELOC64(dst_buffer,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ dst_offset);
+ } else {
+ OUT_RELOC(dst_buffer,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ dst_offset);
+ }
+ OUT_BATCH(SET_FIELD(src_y, BLT_Y) | SET_FIELD(src_x, BLT_X));
OUT_BATCH((uint16_t)src_pitch);
- OUT_RELOC_FENCED(src_buffer,
- I915_GEM_DOMAIN_RENDER, 0,
- src_offset);
+ if (brw->gen >= 8) {
+ OUT_RELOC64(src_buffer,
+ I915_GEM_DOMAIN_RENDER, 0,
+ src_offset);
+ } else {
+ OUT_RELOC(src_buffer,
+ I915_GEM_DOMAIN_RENDER, 0,
+ src_offset);
+ }
ADVANCE_BATCH_TILED(dst_y_tiled, src_y_tiled);
- intel_batchbuffer_emit_mi_flush(intel);
+ brw_emit_mi_flush(brw);
return true;
}
-
-/**
- * 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.
- * \param mask bitmask of BUFFER_BIT_* values indicating buffers to clear
- */
-GLbitfield
-intelClearWithBlit(struct gl_context *ctx, GLbitfield mask)
-{
- struct intel_context *intel = intel_context(ctx);
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- GLuint clear_depth_value, clear_depth_mask;
- GLint cx, cy, cw, ch;
- GLbitfield fail_mask = 0;
- BATCH_LOCALS;
-
- /* Note: we don't use this function on Gen7+ hardware, so we can safely
- * ignore fast color clear issues.
- */
- assert(intel->gen < 7);
-
- /*
- * Compute values for clearing the buffers.
- */
- clear_depth_value = 0;
- clear_depth_mask = 0;
- if (mask & BUFFER_BIT_DEPTH) {
- clear_depth_value = (GLuint) (fb->_DepthMax * ctx->Depth.Clear);
- clear_depth_mask = XY_BLT_WRITE_RGB;
- }
- if (mask & BUFFER_BIT_STENCIL) {
- clear_depth_value |= (ctx->Stencil.Clear & 0xff) << 24;
- clear_depth_mask |= XY_BLT_WRITE_ALPHA;
- }
-
- cx = fb->_Xmin;
- if (_mesa_is_winsys_fbo(fb))
- cy = ctx->DrawBuffer->Height - fb->_Ymax;
- else
- cy = fb->_Ymin;
- cw = fb->_Xmax - fb->_Xmin;
- ch = fb->_Ymax - fb->_Ymin;
-
- if (cw == 0 || ch == 0)
- return 0;
-
- /* Loop over all renderbuffers */
- mask &= (1 << BUFFER_COUNT) - 1;
- while (mask) {
- GLuint buf = ffs(mask) - 1;
- bool is_depth_stencil = buf == BUFFER_DEPTH || buf == BUFFER_STENCIL;
- struct intel_renderbuffer *irb;
- int x1, y1, x2, y2;
- uint32_t clear_val;
- uint32_t BR13, CMD;
- struct intel_region *region;
- int pitch, cpp;
- drm_intel_bo *aper_array[2];
-
- mask &= ~(1 << buf);
-
- irb = intel_get_renderbuffer(fb, buf);
- if (irb && irb->mt) {
- region = irb->mt->region;
- assert(region);
- assert(region->bo);
- } else {
- fail_mask |= 1 << buf;
- continue;
- }
-
- /* OK, clear this renderbuffer */
- x1 = cx + irb->draw_x;
- y1 = cy + irb->draw_y;
- x2 = cx + cw + irb->draw_x;
- y2 = cy + ch + irb->draw_y;
-
- pitch = region->pitch;
- cpp = region->cpp;
-
- DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
- __FUNCTION__,
- region->bo, pitch,
- x1, y1, x2 - x1, y2 - y1);
-
- BR13 = 0xf0 << 16;
- CMD = XY_COLOR_BLT_CMD;
-
- /* Setup the blit command */
- if (cpp == 4) {
- if (is_depth_stencil) {
- CMD |= clear_depth_mask;
- } else {
- /* clearing RGBA */
- CMD |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
- }
- }
-
- assert(region->tiling != I915_TILING_Y);
-
-#ifndef I915
- if (region->tiling != I915_TILING_NONE) {
- CMD |= XY_DST_TILED;
- pitch /= 4;
- }
-#endif
- BR13 |= pitch;
-
- if (is_depth_stencil) {
- clear_val = clear_depth_value;
- } else {
- uint8_t clear[4];
- GLfloat *color = ctx->Color.ClearColor.f;
-
- _mesa_unclamped_float_rgba_to_ubyte(clear, color);
-
- switch (intel_rb_format(irb)) {
- case MESA_FORMAT_ARGB8888:
- case MESA_FORMAT_XRGB8888:
- clear_val = PACK_COLOR_8888(clear[3], clear[0],
- clear[1], clear[2]);
- break;
- case MESA_FORMAT_RGB565:
- clear_val = PACK_COLOR_565(clear[0], clear[1], clear[2]);
- break;
- case MESA_FORMAT_ARGB4444:
- clear_val = PACK_COLOR_4444(clear[3], clear[0],
- clear[1], clear[2]);
- break;
- case MESA_FORMAT_ARGB1555:
- clear_val = PACK_COLOR_1555(clear[3], clear[0],
- clear[1], clear[2]);
- break;
- case MESA_FORMAT_A8:
- clear_val = PACK_COLOR_8888(clear[3], clear[3],
- clear[3], clear[3]);
- break;
- default:
- fail_mask |= 1 << buf;
- continue;
- }
- }
-
- BR13 |= br13_for_cpp(cpp);
-
- assert(x1 < x2);
- assert(y1 < y2);
-
- /* do space check before going any further */
- aper_array[0] = intel->batch.bo;
- aper_array[1] = region->bo;
-
- if (drm_intel_bufmgr_check_aperture_space(aper_array,
- ARRAY_SIZE(aper_array)) != 0) {
- intel_batchbuffer_flush(intel);
- }
-
- BEGIN_BATCH_BLT(6);
- OUT_BATCH(CMD | (6 - 2));
- OUT_BATCH(BR13);
- OUT_BATCH((y1 << 16) | x1);
- OUT_BATCH((y2 << 16) | x2);
- OUT_RELOC_FENCED(region->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- 0);
- OUT_BATCH(clear_val);
- ADVANCE_BATCH();
-
- if (intel->always_flush_cache)
- intel_batchbuffer_emit_mi_flush(intel);
-
- if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL)
- mask &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
- }
-
- return fail_mask;
-}
-
bool
-intelEmitImmediateColorExpandBlit(struct intel_context *intel,
+intelEmitImmediateColorExpandBlit(struct brw_context *brw,
GLuint cpp,
GLubyte *src_bits, GLuint src_size,
GLuint fg_color,
return false;
}
- assert( logic_op - GL_CLEAR >= 0 );
- assert( logic_op - GL_CLEAR < 0x10 );
+ assert((logic_op >= GL_CLEAR) && (logic_op <= (GL_CLEAR + 0x0f)));
assert(dst_pitch > 0);
if (w < 0 || h < 0)
return true;
DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
- __FUNCTION__,
+ __func__,
dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);
- intel_batchbuffer_require_space(intel,
- (8 * 4) +
- (3 * 4) +
- dwords * 4, true);
+ unsigned xy_setup_blt_length = brw->gen >= 8 ? 10 : 8;
+ intel_batchbuffer_require_space(brw, (xy_setup_blt_length * 4) +
+ (3 * 4) + dwords * 4, BLT_RING);
opcode = XY_SETUP_BLT_CMD;
if (cpp == 4)
opcode |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
-#ifndef I915
if (dst_tiling != I915_TILING_NONE) {
opcode |= XY_DST_TILED;
dst_pitch /= 4;
}
-#endif
br13 = dst_pitch | (translate_raster_op(logic_op) << 16) | (1 << 29);
br13 |= br13_for_cpp(cpp);
if (dst_tiling != I915_TILING_NONE)
blit_cmd |= XY_DST_TILED;
- BEGIN_BATCH_BLT(8 + 3);
- OUT_BATCH(opcode | (8 - 2));
+ BEGIN_BATCH_BLT(xy_setup_blt_length + 3);
+ OUT_BATCH(opcode | (xy_setup_blt_length - 2));
OUT_BATCH(br13);
OUT_BATCH((0 << 16) | 0); /* clip x1, y1 */
OUT_BATCH((100 << 16) | 100); /* clip x2, y2 */
- OUT_RELOC_FENCED(dst_buffer,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- dst_offset);
+ if (brw->gen >= 8) {
+ OUT_RELOC64(dst_buffer,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ dst_offset);
+ } else {
+ OUT_RELOC(dst_buffer,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ dst_offset);
+ }
OUT_BATCH(0); /* bg */
OUT_BATCH(fg_color); /* fg */
OUT_BATCH(0); /* pattern base addr */
+ if (brw->gen >= 8)
+ OUT_BATCH(0);
OUT_BATCH(blit_cmd | ((3 - 2) + dwords));
- OUT_BATCH((y << 16) | x);
- OUT_BATCH(((y + h) << 16) | (x + w));
+ OUT_BATCH(SET_FIELD(y, BLT_Y) | SET_FIELD(x, BLT_X));
+ OUT_BATCH(SET_FIELD(y + h, BLT_Y) | SET_FIELD(x + w, BLT_X));
ADVANCE_BATCH();
- intel_batchbuffer_data(intel, src_bits, dwords * 4, true);
+ intel_batchbuffer_data(brw, src_bits, dwords * 4, BLT_RING);
- intel_batchbuffer_emit_mi_flush(intel);
+ brw_emit_mi_flush(brw);
return true;
}
* end to cover the last if we need.
*/
void
-intel_emit_linear_blit(struct intel_context *intel,
+intel_emit_linear_blit(struct brw_context *brw,
drm_intel_bo *dst_bo,
unsigned int dst_offset,
drm_intel_bo *src_bo,
unsigned int src_offset,
unsigned int size)
{
- struct gl_context *ctx = &intel->ctx;
+ struct gl_context *ctx = &brw->ctx;
GLuint pitch, height;
+ int16_t src_x, dst_x;
bool ok;
- /* The pitch given to the GPU must be DWORD aligned, and
- * we want width to match pitch. Max width is (1 << 15 - 1),
- * rounding that down to the nearest DWORD is 1 << 15 - 4
- */
- pitch = ROUND_DOWN_TO(MIN2(size, (1 << 15) - 1), 4);
- height = (pitch == 0) ? 1 : size / pitch;
- ok = intelEmitCopyBlit(intel, 1,
- pitch, src_bo, src_offset, I915_TILING_NONE,
- pitch, dst_bo, dst_offset, I915_TILING_NONE,
- 0, 0, /* src x/y */
- 0, 0, /* dst x/y */
- pitch, height, /* w, h */
- GL_COPY);
- if (!ok)
- _mesa_problem(ctx, "Failed to linear blit %dx%d\n", pitch, height);
-
- src_offset += pitch * height;
- dst_offset += pitch * height;
- size -= pitch * height;
- assert (size < (1 << 15));
- pitch = ALIGN(size, 4);
- if (size != 0) {
- ok = intelEmitCopyBlit(intel, 1,
- pitch, src_bo, src_offset, I915_TILING_NONE,
- pitch, dst_bo, dst_offset, I915_TILING_NONE,
- 0, 0, /* src x/y */
- 0, 0, /* dst x/y */
- size, 1, /* w, h */
- GL_COPY);
- if (!ok)
- _mesa_problem(ctx, "Failed to linear blit %dx%d\n", size, 1);
- }
+ do {
+ /* The pitch given to the GPU must be DWORD aligned, and
+ * we want width to match pitch. Max width is (1 << 15 - 1),
+ * rounding that down to the nearest DWORD is 1 << 15 - 4
+ */
+ pitch = ROUND_DOWN_TO(MIN2(size, (1 << 15) - 64), 4);
+ height = (size < pitch || pitch == 0) ? 1 : size / pitch;
+
+ src_x = src_offset % 64;
+ dst_x = dst_offset % 64;
+ pitch = ALIGN(MIN2(size, (1 << 15) - 64), 4);
+ assert(src_x + pitch < 1 << 15);
+ assert(dst_x + pitch < 1 << 15);
+
+ ok = intelEmitCopyBlit(brw, 1,
+ pitch, src_bo, src_offset - src_x, I915_TILING_NONE,
+ INTEL_MIPTREE_TRMODE_NONE,
+ pitch, dst_bo, dst_offset - dst_x, I915_TILING_NONE,
+ INTEL_MIPTREE_TRMODE_NONE,
+ src_x, 0, /* src x/y */
+ dst_x, 0, /* dst x/y */
+ MIN2(size, pitch), height, /* w, h */
+ GL_COPY);
+ if (!ok) {
+ _mesa_problem(ctx, "Failed to linear blit %dx%d\n",
+ MIN2(size, pitch), height);
+ return;
+ }
+
+ pitch *= height;
+ if (size <= pitch)
+ return;
+
+ src_offset += pitch;
+ dst_offset += pitch;
+ size -= pitch;
+ } while (1);
}
/**
* miptree.
*/
static void
-intel_miptree_set_alpha_to_one(struct intel_context *intel,
+intel_miptree_set_alpha_to_one(struct brw_context *brw,
struct intel_mipmap_tree *mt,
int x, int y, int width, int height)
{
- struct intel_region *region = mt->region;
uint32_t BR13, CMD;
int pitch, cpp;
drm_intel_bo *aper_array[2];
- BATCH_LOCALS;
- pitch = region->pitch;
- cpp = region->cpp;
+ pitch = mt->pitch;
+ cpp = mt->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
- __FUNCTION__, region->bo, pitch, x, y, width, height);
+ __func__, mt->bo, pitch, x, y, width, height);
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;
-#ifndef I915
- if (region->tiling != I915_TILING_NONE) {
+ if (mt->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
-#endif
BR13 |= pitch;
/* do space check before going any further */
- aper_array[0] = intel->batch.bo;
- aper_array[1] = region->bo;
+ aper_array[0] = brw->batch.bo;
+ aper_array[1] = mt->bo;
if (drm_intel_bufmgr_check_aperture_space(aper_array,
ARRAY_SIZE(aper_array)) != 0) {
- intel_batchbuffer_flush(intel);
+ intel_batchbuffer_flush(brw);
}
- bool dst_y_tiled = region->tiling == I915_TILING_Y;
+ unsigned length = brw->gen >= 8 ? 7 : 6;
+ bool dst_y_tiled = mt->tiling == I915_TILING_Y;
- BEGIN_BATCH_BLT_TILED(6, dst_y_tiled, false);
- OUT_BATCH(CMD | (6 - 2));
+ BEGIN_BATCH_BLT_TILED(length, dst_y_tiled, false);
+ OUT_BATCH(CMD | (length - 2));
OUT_BATCH(BR13);
- OUT_BATCH((y << 16) | x);
- OUT_BATCH(((y + height) << 16) | (x + width));
- OUT_RELOC_FENCED(region->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- 0);
+ OUT_BATCH(SET_FIELD(y, BLT_Y) | SET_FIELD(x, BLT_X));
+ OUT_BATCH(SET_FIELD(y + height, BLT_Y) | SET_FIELD(x + width, BLT_X));
+ if (brw->gen >= 8) {
+ OUT_RELOC64(mt->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+ } else {
+ OUT_RELOC(mt->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+ }
OUT_BATCH(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH_TILED(dst_y_tiled, false);
- intel_batchbuffer_emit_mi_flush(intel);
+ brw_emit_mi_flush(brw);
}