/**
* Used to initialize the alpha value of an ARGB8888 miptree after copying
* into it from an XRGB8888 source.
*
* This is very common with glCopyTexImage2D(). Note that the coordinates are
* relative to the start of the miptree, not relative to a slice within the
* miptree.
*/
static void
intel_miptree_set_alpha_to_one(struct brw_context *brw,
struct intel_mipmap_tree *mt,
int x, int y, int width, int height)
{
uint32_t BR13, CMD;
int pitch, cpp;
drm_intel_bo *aper_array[2];
pitch = mt->pitch;
cpp = mt->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__FUNCTION__, mt->bo, pitch, x, y, width, height);
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;
if (mt->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
BR13 |= pitch;
/* do space check before going any further */
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(brw);
}
unsigned length = brw->gen >= 8 ? 7 : 6;
bool dst_y_tiled = mt->tiling == I915_TILING_Y;
BEGIN_BATCH_BLT_TILED(length, dst_y_tiled, false);
OUT_BATCH(CMD | (length - 2));
OUT_BATCH(BR13);
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(brw);
}
/**
* Used to initialize the alpha value of an ARGB8888 miptree after copying
* into it from an XRGB8888 source.
*
* This is very common with glCopyTexImage2D(). Note that the coordinates are
* relative to the start of the miptree, not relative to a slice within the
* miptree.
*/
static void
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];
pitch = region->pitch;
cpp = region->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__FUNCTION__, region->bo, pitch, x, y, width, height);
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;
if (region->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
BR13 |= pitch;
/* do space check before going any further */
aper_array[0] = brw->batch.bo;
aper_array[1] = region->bo;
if (drm_intel_bufmgr_check_aperture_space(aper_array,
ARRAY_SIZE(aper_array)) != 0) {
intel_batchbuffer_flush(brw);
}
bool dst_y_tiled = region->tiling == I915_TILING_Y;
BEGIN_BATCH_BLT_TILED(6, dst_y_tiled, false);
OUT_BATCH(CMD | (6 - 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(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH_TILED(dst_y_tiled, false);
intel_batchbuffer_emit_mi_flush(brw);
}
/**
* Used to initialize the alpha value of an ARGB8888 miptree after copying
* into it from an XRGB8888 source.
*
* This is very common with glCopyTexImage2D(). Note that the coordinates are
* relative to the start of the miptree, not relative to a slice within the
* miptree.
*/
static void
intel_miptree_set_alpha_to_one(struct intel_context *intel,
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;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__func__, region->bo, pitch, x, y, width, height);
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;
BR13 |= pitch;
/* 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(6);
OUT_BATCH(CMD | (6 - 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(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH();
intel_batchbuffer_emit_mi_flush(intel);
}
bool
intelEmitImmediateColorExpandBlit(struct intel_context *intel,
GLuint cpp,
GLubyte *src_bits, GLuint src_size,
GLuint fg_color,
GLshort dst_pitch,
drm_intel_bo *dst_buffer,
GLuint dst_offset,
uint32_t dst_tiling,
GLshort x, GLshort y,
GLshort w, GLshort h,
GLenum logic_op)
{
int dwords = ALIGN(src_size, 8) / 4;
uint32_t opcode, br13, blit_cmd;
if (dst_tiling != I915_TILING_NONE) {
if (dst_offset & 4095)
return false;
if (dst_tiling == I915_TILING_Y)
return false;
}
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__,
dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);
intel_batchbuffer_require_space(intel,
(8 * 4) +
(3 * 4) +
dwords * 4);
opcode = XY_SETUP_BLT_CMD;
if (cpp == 4)
opcode |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
br13 = dst_pitch | (translate_raster_op(logic_op) << 16) | (1 << 29);
br13 |= br13_for_cpp(cpp);
blit_cmd = XY_TEXT_IMMEDIATE_BLIT_CMD | XY_TEXT_BYTE_PACKED; /* packing? */
if (dst_tiling != I915_TILING_NONE)
blit_cmd |= XY_DST_TILED;
BEGIN_BATCH(8 + 3);
OUT_BATCH(opcode | (8 - 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);
OUT_BATCH(0); /* bg */
OUT_BATCH(fg_color); /* fg */
OUT_BATCH(0); /* pattern base addr */
OUT_BATCH(blit_cmd | ((3 - 2) + dwords));
OUT_BATCH((y << 16) | x);
OUT_BATCH(((y + h) << 16) | (x + w));
ADVANCE_BATCH();
intel_batchbuffer_data(intel, src_bits, dwords * 4);
intel_batchbuffer_emit_mi_flush(intel);
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);
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(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;
}
/* Copy BitBlt
*/
bool
intelEmitCopyBlit(struct intel_context *intel,
GLuint cpp,
GLshort src_pitch,
drm_intel_bo *src_buffer,
GLuint src_offset,
uint32_t src_tiling,
GLshort dst_pitch,
drm_intel_bo *dst_buffer,
GLuint dst_offset,
uint32_t dst_tiling,
GLshort src_x, GLshort src_y,
GLshort dst_x, GLshort dst_y,
GLshort w, GLshort h,
GLenum logic_op)
{
GLuint CMD, BR13, pass = 0;
int dst_y2 = dst_y + h;
int dst_x2 = dst_x + w;
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;
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)
return false;
/* do space check before going any further */
do {
aper_array[0] = intel->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);
pass++;
} else
break;
} while (pass < 2);
if (pass >= 2)
return false;
intel_batchbuffer_require_space(intel, 8 * 4);
DBG("%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);
/* Blit pitch must be dword-aligned. Otherwise, the hardware appears to drop
* the low bits.
*/
if (src_pitch % 4 != 0 || dst_pitch % 4 != 0)
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;
}
}
BR13 = br13_for_cpp(cpp) | translate_raster_op(logic_op) << 16;
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;
}
if (dst_y2 <= dst_y || dst_x2 <= dst_x) {
return true;
}
assert(dst_x < dst_x2);
assert(dst_y < dst_y2);
BEGIN_BATCH(8);
OUT_BATCH(CMD | (8 - 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((uint16_t)src_pitch);
OUT_RELOC_FENCED(src_buffer,
I915_GEM_DOMAIN_RENDER, 0,
src_offset);
ADVANCE_BATCH();
intel_batchbuffer_emit_mi_flush(intel);
return true;
}
/**
* Used to initialize the alpha value of an ARGB8888 miptree after copying
* into it from an XRGB8888 source.
*
* This is very common with glCopyTexImage2D(). Note that the coordinates are
* relative to the start of the miptree, not relative to a slice within the
* miptree.
*/
static void
intel_miptree_set_alpha_to_one(struct brw_context *brw,
struct intel_mipmap_tree *mt,
int x, int y, int width, int height)
{
const struct gen_device_info *devinfo = &brw->screen->devinfo;
uint32_t BR13, CMD;
int pitch, cpp;
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;
if (mt->surf.tiling != ISL_TILING_LINEAR) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
BR13 |= pitch;
/* do space check before going any further */
if (!brw_batch_has_aperture_space(brw, mt->bo->size))
intel_batchbuffer_flush(brw);
unsigned length = devinfo->gen >= 8 ? 7 : 6;
const bool dst_y_tiled = mt->surf.tiling == ISL_TILING_Y0;
/* We need to split the blit into chunks that each fit within the blitter's
* restrictions. We can't use a chunk size of 32768 because we need to
* ensure that src_tile_x + chunk_size fits. We choose 16384 because it's
* a nice round power of two, big enough that performance won't suffer, and
* small enough to guarantee everything fits.
*/
const uint32_t max_chunk_size = 16384;
for (uint32_t chunk_x = 0; chunk_x < width; chunk_x += max_chunk_size) {
for (uint32_t chunk_y = 0; chunk_y < height; chunk_y += max_chunk_size) {
const uint32_t chunk_w = MIN2(max_chunk_size, width - chunk_x);
const uint32_t chunk_h = MIN2(max_chunk_size, height - chunk_y);
uint32_t offset, tile_x, tile_y;
get_blit_intratile_offset_el(brw, mt,
x + chunk_x, y + chunk_y,
&offset, &tile_x, &tile_y);
BEGIN_BATCH_BLT_TILED(length, dst_y_tiled, false);
OUT_BATCH(CMD | (length - 2));
OUT_BATCH(BR13);
OUT_BATCH(SET_FIELD(y + chunk_y, BLT_Y) |
SET_FIELD(x + chunk_x, BLT_X));
OUT_BATCH(SET_FIELD(y + chunk_y + chunk_h, BLT_Y) |
SET_FIELD(x + chunk_x + chunk_w, BLT_X));
if (devinfo->gen >= 8) {
OUT_RELOC64(mt->bo, RELOC_WRITE, mt->offset + offset);
} else {
OUT_RELOC(mt->bo, RELOC_WRITE, mt->offset + offset);
}
OUT_BATCH(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH_TILED(dst_y_tiled, false);
}
}
brw_emit_mi_flush(brw);
}
bool
intelEmitImmediateColorExpandBlit(struct brw_context *brw,
GLuint cpp,
GLubyte *src_bits, GLuint src_size,
GLuint fg_color,
GLshort dst_pitch,
struct brw_bo *dst_buffer,
GLuint dst_offset,
enum isl_tiling dst_tiling,
GLshort x, GLshort y,
GLshort w, GLshort h,
enum gl_logicop_mode logic_op)
{
const struct gen_device_info *devinfo = &brw->screen->devinfo;
int dwords = ALIGN(src_size, 8) / 4;
uint32_t opcode, br13, blit_cmd;
if (dst_tiling != ISL_TILING_LINEAR) {
if (dst_offset & 4095)
return false;
if (dst_tiling == ISL_TILING_Y0)
return false;
}
assert((unsigned) logic_op <= 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",
__func__,
dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);
unsigned xy_setup_blt_length = devinfo->gen >= 8 ? 10 : 8;
intel_batchbuffer_require_space(brw, (xy_setup_blt_length * 4) +
(3 * 4) + dwords * 4);
opcode = XY_SETUP_BLT_CMD;
if (cpp == 4)
opcode |= XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
if (dst_tiling != ISL_TILING_LINEAR) {
opcode |= XY_DST_TILED;
dst_pitch /= 4;
}
br13 = dst_pitch | (translate_raster_op(logic_op) << 16) | (1 << 29);
br13 |= br13_for_cpp(cpp);
blit_cmd = XY_TEXT_IMMEDIATE_BLIT_CMD | XY_TEXT_BYTE_PACKED; /* packing? */
if (dst_tiling != ISL_TILING_LINEAR)
blit_cmd |= XY_DST_TILED;
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 */
if (devinfo->gen >= 8) {
OUT_RELOC64(dst_buffer, RELOC_WRITE, dst_offset);
} else {
OUT_RELOC(dst_buffer, RELOC_WRITE, dst_offset);
}
OUT_BATCH(0); /* bg */
OUT_BATCH(fg_color); /* fg */
OUT_BATCH(0); /* pattern base addr */
if (devinfo->gen >= 8)
OUT_BATCH(0);
OUT_BATCH(blit_cmd | ((3 - 2) + dwords));
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(brw, src_bits, dwords * 4);
brw_emit_mi_flush(brw);
return true;
}
/* 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;
}
/**
* Used to initialize the alpha value of an ARGB8888 teximage after
* loading it from an XRGB8888 source.
*
* This is very common with glCopyTexImage2D().
*/
void
intel_set_teximage_alpha_to_one(struct gl_context *ctx,
struct intel_texture_image *intel_image)
{
struct intel_context *intel = intel_context(ctx);
unsigned int image_x, image_y;
uint32_t x1, y1, x2, y2;
uint32_t BR13, CMD;
int pitch, cpp;
drm_intel_bo *aper_array[2];
struct intel_region *region = intel_image->mt->region;
BATCH_LOCALS;
assert(intel_image->base.TexFormat == MESA_FORMAT_ARGB8888);
/* get dest x/y in destination texture */
intel_miptree_get_image_offset(intel_image->mt,
intel_image->level,
intel_image->face,
0,
&image_x, &image_y);
x1 = image_x;
y1 = image_y;
x2 = image_x + intel_image->base.Width;
y2 = image_y + intel_image->base.Height;
pitch = region->pitch;
cpp = region->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__FUNCTION__,
intel_image->mt->region->buffer, (pitch * cpp),
x1, y1, x2 - x1, y2 - y1);
BR13 = br13_for_cpp(cpp) | 0xf0 << 16;
CMD = XY_COLOR_BLT_CMD;
CMD |= XY_BLT_WRITE_ALPHA;
assert(region->tiling != I915_TILING_Y);
#ifndef I915
if (region->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
#endif
BR13 |= (pitch * cpp);
/* do space check before going any further */
aper_array[0] = intel->batch.bo;
aper_array[1] = region->buffer;
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);
OUT_BATCH(BR13);
OUT_BATCH((y1 << 16) | x1);
OUT_BATCH((y2 << 16) | x2);
OUT_RELOC_FENCED(region->buffer,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
0);
OUT_BATCH(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH();
intel_batchbuffer_emit_mi_flush(intel);
}
/**
* 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;
GLboolean all;
GLint cx, cy, cw, ch;
GLbitfield fail_mask = 0;
BATCH_LOCALS;
/*
* 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 (fb->Name == 0)
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;
all = (cw == fb->Width && ch == fb->Height);
/* Loop over all renderbuffers */
mask &= (1 << BUFFER_COUNT) - 1;
while (mask) {
GLuint buf = _mesa_ffs(mask) - 1;
GLboolean is_depth_stencil = buf == BUFFER_DEPTH || buf == BUFFER_STENCIL;
struct intel_renderbuffer *irb;
drm_intel_bo *write_buffer;
int x1, y1, x2, y2;
uint32_t clear_val;
uint32_t BR13, CMD;
int pitch, cpp;
drm_intel_bo *aper_array[2];
mask &= ~(1 << buf);
irb = intel_get_renderbuffer(fb, buf);
if (irb == NULL || irb->region == NULL || irb->region->buffer == NULL) {
fail_mask |= 1 << buf;
continue;
}
/* OK, clear this renderbuffer */
write_buffer = intel_region_buffer(intel, irb->region,
all ? INTEL_WRITE_FULL :
INTEL_WRITE_PART);
x1 = cx + irb->draw_x;
y1 = cy + irb->draw_y;
x2 = cx + cw + irb->draw_x;
y2 = cy + ch + irb->draw_y;
pitch = irb->region->pitch;
cpp = irb->region->cpp;
DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
__FUNCTION__,
irb->region->buffer, (pitch * cpp),
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(irb->region->tiling != I915_TILING_Y);
#ifndef I915
if (irb->region->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
pitch /= 4;
}
#endif
BR13 |= (pitch * cpp);
if (is_depth_stencil) {
clear_val = clear_depth_value;
} else {
uint8_t clear[4];
GLclampf *color = ctx->Color.ClearColor;
CLAMPED_FLOAT_TO_UBYTE(clear[0], color[0]);
CLAMPED_FLOAT_TO_UBYTE(clear[1], color[1]);
CLAMPED_FLOAT_TO_UBYTE(clear[2], color[2]);
CLAMPED_FLOAT_TO_UBYTE(clear[3], color[3]);
switch (irb->Base.Format) {
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] = write_buffer;
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);
OUT_BATCH(BR13);
OUT_BATCH((y1 << 16) | x1);
OUT_BATCH((y2 << 16) | x2);
OUT_RELOC_FENCED(write_buffer,
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;
}
/* Copy BitBlt
*/
GLboolean
intelEmitCopyBlit(struct intel_context *intel,
GLuint cpp,
GLshort src_pitch,
drm_intel_bo *src_buffer,
GLuint src_offset,
uint32_t src_tiling,
GLshort dst_pitch,
drm_intel_bo *dst_buffer,
GLuint dst_offset,
uint32_t dst_tiling,
GLshort src_x, GLshort src_y,
GLshort dst_x, GLshort dst_y,
GLshort w, GLshort h,
GLenum logic_op)
{
GLuint CMD, BR13, pass = 0;
int dst_y2 = dst_y + h;
int dst_x2 = dst_x + w;
drm_intel_bo *aper_array[3];
BATCH_LOCALS;
if (dst_tiling != I915_TILING_NONE) {
if (dst_offset & 4095)
return GL_FALSE;
if (dst_tiling == I915_TILING_Y)
return GL_FALSE;
}
if (src_tiling != I915_TILING_NONE) {
if (src_offset & 4095)
return GL_FALSE;
if (src_tiling == I915_TILING_Y)
return GL_FALSE;
}
/* do space check before going any further */
do {
aper_array[0] = intel->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);
pass++;
} else
break;
} while (pass < 2);
if (pass >= 2)
return GL_FALSE;
intel_batchbuffer_require_space(intel, 8 * 4, true);
DBG("%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 *= cpp;
dst_pitch *= cpp;
/* For big formats (such as floating point), do the copy using 32bpp and
* multiply the coordinates.
*/
if (cpp > 4) {
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;
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 GL_FALSE;
}
#ifndef I915
if (dst_tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
if (src_tiling != I915_TILING_NONE) {
CMD |= XY_SRC_TILED;
src_pitch /= 4;
}
#endif
if (dst_y2 <= dst_y || dst_x2 <= dst_x) {
return GL_TRUE;
}
assert(dst_x < dst_x2);
assert(dst_y < dst_y2);
BEGIN_BATCH_BLT(8);
OUT_BATCH(CMD);
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((uint16_t)src_pitch);
OUT_RELOC_FENCED(src_buffer,
I915_GEM_DOMAIN_RENDER, 0,
src_offset);
ADVANCE_BATCH();
intel_batchbuffer_emit_mi_flush(intel);
return GL_TRUE;
}
