struct intel_mipmap_tree *mt,
int x, int y, int width, int height);
-static GLuint translate_raster_op(GLenum logicop)
+static GLuint translate_raster_op(enum gl_logicop_mode logicop)
{
- switch(logicop) {
- case GL_CLEAR: return 0x00;
- case GL_AND: return 0x88;
- case GL_AND_REVERSE: return 0x44;
- case GL_COPY: return 0xCC;
- case GL_AND_INVERTED: return 0x22;
- case GL_NOOP: return 0xAA;
- case GL_XOR: return 0x66;
- case GL_OR: return 0xEE;
- case GL_NOR: return 0x11;
- case GL_EQUIV: return 0x99;
- case GL_INVERT: return 0x55;
- case GL_OR_REVERSE: return 0xDD;
- case GL_COPY_INVERTED: return 0x33;
- case GL_OR_INVERTED: return 0xBB;
- case GL_NAND: return 0x77;
- case GL_SET: return 0xFF;
- default: return 0;
- }
+ return logicop | (logicop << 4);
}
static uint32_t
SET_BLITTER_TILING(brw, false, false); \
ADVANCE_BATCH()
-static int
-blt_pitch(struct intel_mipmap_tree *mt)
-{
- int pitch = mt->surf.row_pitch;
- if (mt->surf.tiling != ISL_TILING_LINEAR)
- pitch /= 4;
- return pitch;
-}
-
bool
intel_miptree_blit_compatible_formats(mesa_format src, mesa_format dst)
{
return (dst == MESA_FORMAT_R8G8B8A8_UNORM ||
dst == MESA_FORMAT_R8G8B8X8_UNORM);
+ /* We can also discard alpha when going from A2->X2 for 2 bit alpha,
+ * however we can't fill the alpha channel with two 1 bits when going
+ * from X2->A2, because intel_miptree_set_alpha_to_one() is not yet
+ * ready for this / can only handle 8 bit alpha.
+ */
+ if (src == MESA_FORMAT_B10G10R10A2_UNORM)
+ return (dst == MESA_FORMAT_B10G10R10A2_UNORM ||
+ dst == MESA_FORMAT_B10G10R10X2_UNORM);
+
+ if (src == MESA_FORMAT_R10G10B10A2_UNORM)
+ return (dst == MESA_FORMAT_R10G10B10A2_UNORM ||
+ dst == MESA_FORMAT_R10G10B10X2_UNORM);
+
return false;
}
uint32_t *y_offset_el)
{
isl_tiling_get_intratile_offset_el(mt->surf.tiling,
- mt->cpp * 8, mt->surf.row_pitch,
+ mt->cpp * 8, mt->surf.row_pitch_B,
total_x_offset_el, total_y_offset_el,
base_address_offset,
x_offset_el, y_offset_el);
}
}
+static bool
+alignment_valid(struct brw_context *brw, unsigned offset,
+ enum isl_tiling tiling)
+{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+
+ /* Tiled buffers must be page-aligned (4K). */
+ if (tiling != ISL_TILING_LINEAR)
+ return (offset & 4095) == 0;
+
+ /* On Gen8+, linear buffers must be cacheline-aligned. */
+ if (devinfo->gen >= 8)
+ return (offset & 63) == 0;
+
+ return true;
+}
+
+static uint32_t
+xy_blit_cmd(enum isl_tiling src_tiling, enum isl_tiling dst_tiling,
+ uint32_t cpp)
+{
+ uint32_t CMD = 0;
+
+ 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 != ISL_TILING_LINEAR)
+ CMD |= XY_DST_TILED;
+
+ if (src_tiling != ISL_TILING_LINEAR)
+ CMD |= XY_SRC_TILED;
+
+ return CMD;
+}
+
+/* Copy BitBlt
+ */
+static bool
+emit_copy_blit(struct brw_context *brw,
+ GLuint cpp,
+ int32_t src_pitch,
+ struct brw_bo *src_buffer,
+ GLuint src_offset,
+ enum isl_tiling src_tiling,
+ int32_t dst_pitch,
+ struct brw_bo *dst_buffer,
+ GLuint dst_offset,
+ enum isl_tiling dst_tiling,
+ GLshort src_x, GLshort src_y,
+ GLshort dst_x, GLshort dst_y,
+ GLshort w, GLshort h,
+ enum gl_logicop_mode logic_op)
+{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+ GLuint CMD, BR13;
+ int dst_y2 = dst_y + h;
+ int dst_x2 = dst_x + w;
+ bool dst_y_tiled = dst_tiling == ISL_TILING_Y0;
+ bool src_y_tiled = src_tiling == ISL_TILING_Y0;
+ uint32_t src_tile_w, src_tile_h;
+ uint32_t dst_tile_w, dst_tile_h;
+
+ if ((dst_y_tiled || src_y_tiled) && devinfo->gen < 6)
+ return false;
+
+ const unsigned bo_sizes = dst_buffer->size + src_buffer->size;
+
+ /* do space check before going any further */
+ if (!brw_batch_has_aperture_space(brw, bo_sizes))
+ intel_batchbuffer_flush(brw);
+
+ if (!brw_batch_has_aperture_space(brw, bo_sizes))
+ return false;
+
+ unsigned length = devinfo->gen >= 8 ? 10 : 8;
+
+ intel_batchbuffer_require_space(brw, length * 4);
+ DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
+ __func__,
+ src_buffer, src_pitch, src_offset, src_x, src_y,
+ dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
+
+ intel_get_tile_dims(src_tiling, cpp, &src_tile_w, &src_tile_h);
+ intel_get_tile_dims(dst_tiling, 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.
+ */
+ assert(src_tiling == ISL_TILING_LINEAR || (src_pitch % src_tile_w) == 0);
+ assert(dst_tiling == ISL_TILING_LINEAR || (dst_pitch % dst_tile_w) == 0);
+
+ /* 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 (!alignment_valid(brw, dst_offset, dst_tiling))
+ return false;
+ if (!alignment_valid(brw, src_offset, src_tiling))
+ 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, dst_tiling, cpp);
+
+ /* For tiled source and destination, pitch value should be specified
+ * as a number of Dwords.
+ */
+ if (dst_tiling != ISL_TILING_LINEAR)
+ dst_pitch /= 4;
+
+ if (src_tiling != ISL_TILING_LINEAR)
+ src_pitch /= 4;
+
+ if (dst_y2 <= dst_y || dst_x2 <= dst_x)
+ return true;
+
+ assert(dst_x < dst_x2);
+ assert(dst_y < dst_y2);
+
+ 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(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 (devinfo->gen >= 8) {
+ OUT_RELOC64(dst_buffer, RELOC_WRITE, dst_offset);
+ } else {
+ OUT_RELOC(dst_buffer, RELOC_WRITE, dst_offset);
+ }
+ OUT_BATCH(SET_FIELD(src_y, BLT_Y) | SET_FIELD(src_x, BLT_X));
+ OUT_BATCH((uint16_t)src_pitch);
+ if (devinfo->gen >= 8) {
+ OUT_RELOC64(src_buffer, 0, src_offset);
+ } else {
+ OUT_RELOC(src_buffer, 0, src_offset);
+ }
+
+ ADVANCE_BATCH_TILED(dst_y_tiled, src_y_tiled);
+
+ brw_emit_mi_flush(brw);
+
+ return true;
+}
+
static bool
emit_miptree_blit(struct brw_context *brw,
struct intel_mipmap_tree *src_mt,
struct intel_mipmap_tree *dst_mt,
uint32_t dst_x, uint32_t dst_y,
uint32_t width, uint32_t height,
- bool reverse, GLenum logicop)
+ bool reverse, enum gl_logicop_mode logicop)
{
/* According to the Ivy Bridge PRM, Vol1 Part4, section 1.2.1.2 (Graphics
* Data Size Limitations):
* for linear surfaces and DWords for tiled surfaces. So the maximum
* pitch is 32k linear and 128k tiled.
*/
- if (blt_pitch(src_mt) >= 32768 || blt_pitch(dst_mt) >= 32768) {
+ if (intel_miptree_blt_pitch(src_mt) >= 32768 ||
+ intel_miptree_blt_pitch(dst_mt) >= 32768) {
perf_debug("Falling back due to >= 32k/128k pitch\n");
return false;
}
dst_x + chunk_x, dst_y + chunk_y,
&dst_offset, &dst_tile_x, &dst_tile_y);
- if (!intelEmitCopyBlit(brw,
- src_mt->cpp,
- reverse ? -src_mt->surf.row_pitch :
- src_mt->surf.row_pitch,
- src_mt->bo, src_mt->offset + src_offset,
- src_mt->surf.tiling,
- dst_mt->surf.row_pitch,
- dst_mt->bo, dst_mt->offset + dst_offset,
- dst_mt->surf.tiling,
- src_tile_x, src_tile_y,
- dst_tile_x, dst_tile_y,
- chunk_w, chunk_h,
- logicop)) {
+ if (!emit_copy_blit(brw,
+ src_mt->cpp,
+ reverse ? -src_mt->surf.row_pitch_B :
+ src_mt->surf.row_pitch_B,
+ src_mt->bo, src_mt->offset + src_offset,
+ src_mt->surf.tiling,
+ dst_mt->surf.row_pitch_B,
+ dst_mt->bo, dst_mt->offset + dst_offset,
+ dst_mt->surf.tiling,
+ src_tile_x, src_tile_y,
+ dst_tile_x, dst_tile_y,
+ chunk_w, chunk_h,
+ logicop)) {
/* If this is ever going to fail, it will fail on the first chunk */
assert(chunk_x == 0 && chunk_y == 0);
return false;
int dst_level, int dst_slice,
uint32_t dst_x, uint32_t dst_y, bool dst_flip,
uint32_t width, uint32_t height,
- GLenum logicop)
+ enum gl_logicop_mode logicop)
{
/* The blitter doesn't understand multisampling at all. */
if (src_mt->surf.samples > 1 || dst_mt->surf.samples > 1)
/* 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.
+ * channel to 1.0 at the end. Also trivially ARGB2101010 to XRGB2101010,
+ * but not XRGB2101010 to ARGB2101010 yet.
*/
if (!intel_miptree_blit_compatible_formats(src_format, dst_format)) {
perf_debug("%s: Can't use hardware blitter from %s to %s, "
return emit_miptree_blit(brw, src_mt, src_x, src_y,
dst_mt, dst_x, dst_y,
- src_width, src_height, false, GL_COPY);
-}
-
-static bool
-alignment_valid(struct brw_context *brw, unsigned offset,
- enum isl_tiling tiling)
-{
- const struct gen_device_info *devinfo = &brw->screen->devinfo;
-
- /* Tiled buffers must be page-aligned (4K). */
- if (tiling != ISL_TILING_LINEAR)
- return (offset & 4095) == 0;
-
- /* On Gen8+, linear buffers must be cacheline-aligned. */
- if (devinfo->gen >= 8)
- return (offset & 63) == 0;
-
- return true;
-}
-
-static uint32_t
-xy_blit_cmd(enum isl_tiling src_tiling, enum isl_tiling dst_tiling,
- uint32_t cpp)
-{
- uint32_t CMD = 0;
-
- 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 != ISL_TILING_LINEAR)
- CMD |= XY_DST_TILED;
-
- if (src_tiling != ISL_TILING_LINEAR)
- CMD |= XY_SRC_TILED;
-
- return CMD;
-}
-
-/* Copy BitBlt
- */
-bool
-intelEmitCopyBlit(struct brw_context *brw,
- GLuint cpp,
- int32_t src_pitch,
- struct brw_bo *src_buffer,
- GLuint src_offset,
- enum isl_tiling src_tiling,
- int32_t dst_pitch,
- struct brw_bo *dst_buffer,
- GLuint dst_offset,
- enum isl_tiling dst_tiling,
- GLshort src_x, GLshort src_y,
- GLshort dst_x, GLshort dst_y,
- GLshort w, GLshort h,
- GLenum logic_op)
-{
- const struct gen_device_info *devinfo = &brw->screen->devinfo;
- GLuint CMD, BR13;
- int dst_y2 = dst_y + h;
- int dst_x2 = dst_x + w;
- bool dst_y_tiled = dst_tiling == ISL_TILING_Y0;
- bool src_y_tiled = src_tiling == ISL_TILING_Y0;
- uint32_t src_tile_w, src_tile_h;
- uint32_t dst_tile_w, dst_tile_h;
-
- if ((dst_y_tiled || src_y_tiled) && devinfo->gen < 6)
- return false;
-
- const unsigned bo_sizes = dst_buffer->size + src_buffer->size;
-
- /* do space check before going any further */
- if (!brw_batch_has_aperture_space(brw, bo_sizes))
- intel_batchbuffer_flush(brw);
-
- if (!brw_batch_has_aperture_space(brw, bo_sizes))
- return false;
-
- unsigned length = devinfo->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",
- __func__,
- src_buffer, src_pitch, src_offset, src_x, src_y,
- dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
-
- intel_get_tile_dims(src_tiling, cpp, &src_tile_w, &src_tile_h);
- intel_get_tile_dims(dst_tiling, 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.
- */
- assert(src_tiling == ISL_TILING_LINEAR || (src_pitch % src_tile_w) == 0);
- assert(dst_tiling == ISL_TILING_LINEAR || (dst_pitch % dst_tile_w) == 0);
-
- /* 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 (!alignment_valid(brw, dst_offset, dst_tiling))
- return false;
- if (!alignment_valid(brw, src_offset, src_tiling))
- 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, dst_tiling, cpp);
-
- /* For tiled source and destination, pitch value should be specified
- * as a number of Dwords.
- */
- if (dst_tiling != ISL_TILING_LINEAR)
- dst_pitch /= 4;
-
- if (src_tiling != ISL_TILING_LINEAR)
- src_pitch /= 4;
-
- if (dst_y2 <= dst_y || dst_x2 <= dst_x)
- return true;
-
- assert(dst_x < dst_x2);
- assert(dst_y < dst_y2);
-
- 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(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 (devinfo->gen >= 8) {
- OUT_RELOC64(dst_buffer, RELOC_WRITE, dst_offset);
- } else {
- OUT_RELOC(dst_buffer, RELOC_WRITE, dst_offset);
- }
- OUT_BATCH(SET_FIELD(src_y, BLT_Y) | SET_FIELD(src_x, BLT_X));
- OUT_BATCH((uint16_t)src_pitch);
- if (devinfo->gen >= 8) {
- OUT_RELOC64(src_buffer, 0, src_offset);
- } else {
- OUT_RELOC(src_buffer, 0, src_offset);
- }
-
- ADVANCE_BATCH_TILED(dst_y_tiled, src_y_tiled);
-
- brw_emit_mi_flush(brw);
-
- return true;
+ src_width, src_height, false, COLOR_LOGICOP_COPY);
}
bool
enum isl_tiling dst_tiling,
GLshort x, GLshort y,
GLshort w, GLshort h,
- GLenum logic_op)
+ enum gl_logicop_mode logic_op)
{
const struct gen_device_info *devinfo = &brw->screen->devinfo;
int dwords = ALIGN(src_size, 8) / 4;
return false;
}
- assert((logic_op >= GL_CLEAR) && (logic_op <= (GL_CLEAR + 0x0f)));
+ assert((unsigned) logic_op <= 0x0f);
assert(dst_pitch > 0);
if (w < 0 || h < 0)
unsigned xy_setup_blt_length = devinfo->gen >= 8 ? 10 : 8;
intel_batchbuffer_require_space(brw, (xy_setup_blt_length * 4) +
- (3 * 4) + dwords * 4, BLT_RING);
+ (3 * 4) + dwords * 4);
opcode = XY_SETUP_BLT_CMD;
if (cpp == 4)
OUT_BATCH(SET_FIELD(y + h, BLT_Y) | SET_FIELD(x + w, BLT_X));
ADVANCE_BATCH();
- intel_batchbuffer_data(brw, src_bits, dwords * 4, BLT_RING);
+ intel_batchbuffer_data(brw, src_bits, dwords * 4);
brw_emit_mi_flush(brw);
return true;
}
-/* We don't have a memmove-type blit like some other hardware, so we'll do a
- * rectangular blit covering a large space, then emit 1-scanline blit at the
- * end to cover the last if we need.
- */
-void
-intel_emit_linear_blit(struct brw_context *brw,
- struct brw_bo *dst_bo,
- unsigned int dst_offset,
- struct brw_bo *src_bo,
- unsigned int src_offset,
- unsigned int size)
-{
- struct gl_context *ctx = &brw->ctx;
- GLuint pitch, height;
- int16_t src_x, dst_x;
- bool ok;
-
- 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,
- ISL_TILING_LINEAR,
- pitch, dst_bo, dst_offset - dst_x,
- ISL_TILING_LINEAR,
- 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);
-}
-
/**
* Used to initialize the alpha value of an ARGB8888 miptree after copying
* into it from an XRGB8888 source.
uint32_t BR13, CMD;
int pitch, cpp;
- pitch = mt->surf.row_pitch;
+ pitch = mt->surf.row_pitch_B;
cpp = mt->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__func__, mt->bo, pitch, x, y, width, height);
+ /* Note: Currently only handles 8 bit alpha channel. Extension to < 8 Bit
+ * alpha channel would be likely possible via ROP code 0xfa instead of 0xf0
+ * and writing a suitable bit-mask instead of 0xffffffff.
+ */
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;