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path: root/src/gallium/drivers/i915simple/i915_texture.c
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Diffstat (limited to 'src/gallium/drivers/i915simple/i915_texture.c')
-rw-r--r--src/gallium/drivers/i915simple/i915_texture.c196
1 files changed, 104 insertions, 92 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index b2e490c7db..2815e61345 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -109,6 +109,9 @@ i915_miptree_set_level_info(struct i915_texture *tex,
pt->width[level] = w;
pt->height[level] = h;
pt->depth[level] = d;
+
+ pt->nblocksx[level] = pf_get_nblocksx(&pt->block, w);
+ pt->nblocksy[level] = pf_get_nblocksy(&pt->block, h);
tex->nr_images[level] = nr_images;
@@ -140,7 +143,7 @@ i915_miptree_set_image_offset(struct i915_texture *tex,
assert(img < tex->nr_images[level]);
- tex->image_offset[level][img] = (x + y * tex->pitch);
+ tex->image_offset[level][img] = y * tex->stride + x * tex->base.block.size;
/*
printf("%s level %d img %d pos %d,%d image_offset %x\n",
@@ -162,7 +165,7 @@ i915_displaytarget_layout(struct i915_texture *tex)
{
struct pipe_texture *pt = &tex->base;
- if (pt->last_level > 0 || pt->cpp != 4)
+ if (pt->last_level > 0 || pt->block.size != 4)
return 0;
i915_miptree_set_level_info( tex, 0, 1,
@@ -172,18 +175,18 @@ i915_displaytarget_layout(struct i915_texture *tex)
i915_miptree_set_image_offset( tex, 0, 0, 0, 0 );
if (tex->base.width[0] >= 128) {
- tex->pitch = power_of_two(tex->base.width[0] * pt->cpp) / pt->cpp;
- tex->total_height = round_up(tex->base.height[0], 8);
+ tex->stride = power_of_two(tex->base.nblocksx[0] * pt->block.size);
+ tex->total_nblocksy = round_up(tex->base.nblocksy[0], 8);
tex->tiled = 1;
} else {
- tex->pitch = round_up(tex->base.width[0], 64 / pt->cpp);
- tex->total_height = tex->base.height[0];
+ tex->stride = round_up(tex->base.nblocksx[0] * pt->block.size, 64);
+ tex->total_nblocksy = tex->base.nblocksy[0];
}
/*
printf("%s size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__,
- tex->base.width[0], tex->base.height[0], pt->cpp,
- tex->pitch, tex->total_height, tex->pitch * tex->total_height * 4);
+ tex->base.width[0], tex->base.height[0], pt->block.size,
+ tex->stride, tex->total_nblocksy, tex->stride * tex->total_nblocksy);
*/
return 1;
@@ -193,12 +196,14 @@ static void
i945_miptree_layout_2d( struct i915_texture *tex )
{
struct pipe_texture *pt = &tex->base;
- int align_h = 2, align_w = 4;
+ const int align_x = 2, align_y = 4;
unsigned level;
unsigned x = 0;
unsigned y = 0;
unsigned width = pt->width[0];
unsigned height = pt->height[0];
+ unsigned nblocksx = pt->nblocksx[0];
+ unsigned nblocksy = pt->nblocksy[0];
#if 0 /* used for tiled display targets */
if (pt->last_level == 0 && pt->cpp == 4)
@@ -206,7 +211,7 @@ i945_miptree_layout_2d( struct i915_texture *tex )
return;
#endif
- tex->pitch = pt->width[0];
+ tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
/* May need to adjust pitch to accomodate the placement of
* the 2nd mipmap level. This occurs when the alignment
@@ -214,47 +219,43 @@ i945_miptree_layout_2d( struct i915_texture *tex )
* 2nd mipmap level out past the width of its parent.
*/
if (pt->last_level > 0) {
- unsigned mip1_width = align_int(minify(pt->width[0]), align_w)
- + minify(minify(pt->width[0]));
+ unsigned mip1_nblocksx
+ = align_int(pf_get_nblocksx(&pt->block, minify(width)), align_x)
+ + pf_get_nblocksx(&pt->block, minify(minify(width)));
- if (mip1_width > pt->width[0])
- tex->pitch = mip1_width;
+ if (mip1_nblocksx > nblocksx)
+ tex->stride = mip1_nblocksx * pt->block.size;
}
- /* Pitch must be a whole number of dwords, even though we
- * express it in texels.
+ /* Pitch must be a whole number of dwords
*/
- tex->pitch = align_int(tex->pitch * pt->cpp, 64) / pt->cpp;
- tex->total_height = 0;
+ tex->stride = align_int(tex->stride, 64);
+ tex->total_nblocksy = 0;
for (level = 0; level <= pt->last_level; level++) {
- unsigned img_height;
-
i915_miptree_set_level_info(tex, level, 1, width, height, 1);
i915_miptree_set_image_offset(tex, level, 0, x, y);
- if (pt->compressed)
- img_height = MAX2(1, height/4);
- else
- img_height = align_int(height, align_h);
-
+ nblocksy = align_int(nblocksy, align_y);
/* Because the images are packed better, the final offset
* might not be the maximal one:
*/
- tex->total_height = MAX2(tex->total_height, y + img_height);
+ tex->total_nblocksy = MAX2(tex->total_nblocksy, y + nblocksy);
/* Layout_below: step right after second mipmap level.
*/
if (level == 1) {
- x += align_int(width, align_w);
+ x += align_int(nblocksx, align_x);
}
else {
- y += img_height;
+ y += nblocksy;
}
width = minify(width);
height = minify(height);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
}
}
@@ -264,15 +265,16 @@ i945_miptree_layout_cube(struct i915_texture *tex)
struct pipe_texture *pt = &tex->base;
unsigned level;
- const unsigned dim = pt->width[0];
+ const unsigned nblocks = pt->nblocksx[0];
unsigned face;
- unsigned lvlWidth = pt->width[0], lvlHeight = pt->height[0];
+ unsigned width = pt->width[0];
+ unsigned height = pt->height[0];
/*
printf("%s %i, %i\n", __FUNCTION__, pt->width[0], pt->height[0]);
*/
- assert(lvlWidth == lvlHeight); /* cubemap images are square */
+ assert(width == height); /* cubemap images are square */
/*
* XXX Should only be used for compressed formats. But lets
@@ -282,35 +284,32 @@ i945_miptree_layout_cube(struct i915_texture *tex)
* determined either by the old-style packing of cubemap faces,
* or the final row of 4x4, 2x2 and 1x1 faces below this.
*/
- if (dim > 32)
- tex->pitch = ((dim * pt->cpp * 2 + 3) & ~3) / pt->cpp;
+ if (nblocks > 32)
+ tex->stride = round_up(nblocks * pt->block.size * 2, 4);
else
- tex->pitch = 14 * 8;
+ tex->stride = 14 * 8 * pt->block.size;
- /*
- * XXX The 4 is only needed for compressed formats. See above.
- */
- tex->total_height = dim * 4 + 4;
+ tex->total_nblocksy = nblocks * 4;
/* Set all the levels to effectively occupy the whole rectangular region.
*/
for (level = 0; level <= pt->last_level; level++) {
- i915_miptree_set_level_info(tex, level, 6, lvlWidth, lvlHeight, 1);
- lvlWidth /= 2;
- lvlHeight /= 2;
+ i915_miptree_set_level_info(tex, level, 6, width, height, 1);
+ width /= 2;
+ height /= 2;
}
for (face = 0; face < 6; face++) {
- unsigned x = initial_offsets[face][0] * dim;
- unsigned y = initial_offsets[face][1] * dim;
- unsigned d = dim;
+ unsigned x = initial_offsets[face][0] * nblocks;
+ unsigned y = initial_offsets[face][1] * nblocks;
+ unsigned d = nblocks;
#if 0 /* Fix and enable this code for compressed formats */
- if (dim == 4 && face >= 4) {
+ if (nblocks == 4 && face >= 4) {
y = tex->total_height - 4;
x = (face - 4) * 8;
}
- else if (dim < 4 && (face > 0)) {
+ else if (nblocks < 4 && (face > 0)) {
y = tex->total_height - 4;
x = face * 8;
}
@@ -369,28 +368,28 @@ i915_miptree_layout(struct i915_texture * tex)
switch (pt->target) {
case PIPE_TEXTURE_CUBE: {
- const unsigned dim = pt->width[0];
+ const unsigned nblocks = pt->nblocksx[0];
unsigned face;
- unsigned lvlWidth = pt->width[0], lvlHeight = pt->height[0];
+ unsigned width = pt->width[0], height = pt->height[0];
- assert(lvlWidth == lvlHeight); /* cubemap images are square */
+ assert(width == height); /* cubemap images are square */
/* double pitch for cube layouts */
- tex->pitch = ((dim * pt->cpp * 2 + 3) & ~3) / pt->cpp;
- tex->total_height = dim * 4;
+ tex->stride = round_up(nblocks * pt->block.size * 2, 4);
+ tex->total_nblocksy = nblocks * 4;
for (level = 0; level <= pt->last_level; level++) {
i915_miptree_set_level_info(tex, level, 6,
- lvlWidth, lvlHeight,
+ width, height,
1);
- lvlWidth /= 2;
- lvlHeight /= 2;
+ width /= 2;
+ height /= 2;
}
for (face = 0; face < 6; face++) {
- unsigned x = initial_offsets[face][0] * dim;
- unsigned y = initial_offsets[face][1] * dim;
- unsigned d = dim;
+ unsigned x = initial_offsets[face][0] * nblocks;
+ unsigned y = initial_offsets[face][1] * nblocks;
+ unsigned d = nblocks;
for (level = 0; level <= pt->last_level; level++) {
i915_miptree_set_image_offset(tex, level, face, x, y);
@@ -405,25 +404,29 @@ i915_miptree_layout(struct i915_texture * tex)
unsigned width = pt->width[0];
unsigned height = pt->height[0];
unsigned depth = pt->depth[0];
- unsigned stack_height = 0;
+ unsigned nblocksx = pt->nblocksx[0];
+ unsigned nblocksy = pt->nblocksy[0];
+ unsigned stack_nblocksy = 0;
/* Calculate the size of a single slice.
*/
- tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp;
+ tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
/* XXX: hardware expects/requires 9 levels at minimum.
*/
for (level = 0; level <= MAX2(8, pt->last_level);
level++) {
i915_miptree_set_level_info(tex, level, depth,
- width, height, depth);
+ width, height, depth);
- stack_height += MAX2(2, height);
+ stack_nblocksy += MAX2(2, nblocksy);
width = minify(width);
height = minify(height);
depth = minify(depth);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
}
/* Fixup depth image_offsets:
@@ -433,7 +436,7 @@ i915_miptree_layout(struct i915_texture * tex)
unsigned i;
for (i = 0; i < depth; i++)
i915_miptree_set_image_offset(tex, level, i,
- 0, i * stack_height);
+ 0, i * stack_nblocksy);
depth = minify(depth);
}
@@ -443,33 +446,33 @@ i915_miptree_layout(struct i915_texture * tex)
* remarkable how wasteful of memory the i915 texture layouts
* are. They are largely fixed in the i945.
*/
- tex->total_height = stack_height * pt->depth[0];
+ tex->total_nblocksy = stack_nblocksy * pt->depth[0];
break;
}
default:{
unsigned width = pt->width[0];
unsigned height = pt->height[0];
- unsigned img_height;
+ unsigned nblocksx = pt->nblocksx[0];
+ unsigned nblocksy = pt->nblocksy[0];
- tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp;
- tex->total_height = 0;
+ tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
+ tex->total_nblocksy = 0;
for (level = 0; level <= pt->last_level; level++) {
i915_miptree_set_level_info(tex, level, 1,
- width, height, 1);
+ width, height, 1);
i915_miptree_set_image_offset(tex, level, 0,
- 0, tex->total_height);
+ 0, tex->total_nblocksy);
- if (pt->compressed)
- img_height = MAX2(1, height / 4);
- else
- img_height = (MAX2(2, height) + 1) & ~1;
+ nblocksy = round_up(MAX2(2, nblocksy), 2);
- tex->total_height += img_height;
+ tex->total_nblocksy += nblocksy;
width = minify(width);
height = minify(height);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
}
break;
}
@@ -477,7 +480,7 @@ i915_miptree_layout(struct i915_texture * tex)
/*
DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
tex->pitch,
- tex->total_height, pt->cpp, tex->pitch * tex->total_height * pt->cpp);
+ tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy);
*/
return TRUE;
@@ -498,14 +501,16 @@ i945_miptree_layout(struct i915_texture * tex)
unsigned width = pt->width[0];
unsigned height = pt->height[0];
unsigned depth = pt->depth[0];
+ unsigned nblocksx = pt->nblocksx[0];
+ unsigned nblocksy = pt->nblocksy[0];
unsigned pack_x_pitch, pack_x_nr;
unsigned pack_y_pitch;
- tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp;
- tex->total_height = 0;
+ tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
+ tex->total_nblocksy = 0;
- pack_y_pitch = MAX2(pt->height[0], 2);
- pack_x_pitch = tex->pitch;
+ pack_y_pitch = MAX2(pt->nblocksy[0], 2);
+ pack_x_pitch = tex->stride / pt->block.size;
pack_x_nr = 1;
for (level = 0; level <= pt->last_level; level++) {
@@ -515,11 +520,11 @@ i945_miptree_layout(struct i915_texture * tex)
unsigned q, j;
i915_miptree_set_level_info(tex, level, nr_images,
- width, height, depth);
+ width, height, depth);
for (q = 0; q < nr_images;) {
for (j = 0; j < pack_x_nr && q < nr_images; j++, q++) {
- i915_miptree_set_image_offset(tex, level, q, x, y + tex->total_height);
+ i915_miptree_set_image_offset(tex, level, q, x, y + tex->total_nblocksy);
x += pack_x_pitch;
}
@@ -528,12 +533,12 @@ i945_miptree_layout(struct i915_texture * tex)
}
- tex->total_height += y;
+ tex->total_nblocksy += y;
if (pack_x_pitch > 4) {
pack_x_pitch >>= 1;
pack_x_nr <<= 1;
- assert(pack_x_pitch * pack_x_nr <= tex->pitch);
+ assert(pack_x_pitch * pack_x_nr * pt->block.size <= tex->stride);
}
if (pack_y_pitch > 2) {
@@ -543,6 +548,8 @@ i945_miptree_layout(struct i915_texture * tex)
width = minify(width);
height = minify(height);
depth = minify(depth);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
}
break;
}
@@ -560,7 +567,7 @@ i945_miptree_layout(struct i915_texture * tex)
/*
DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
tex->pitch,
- tex->total_height, pt->cpp, tex->pitch * tex->total_height * pt->cpp);
+ tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy);
*/
return TRUE;
@@ -582,6 +589,9 @@ i915_texture_create(struct pipe_screen *screen,
tex->base.refcount = 1;
tex->base.screen = screen;
+ tex->base.nblocksx[0] = pf_get_nblocksx(&tex->base.block, tex->base.width[0]);
+ tex->base.nblocksy[0] = pf_get_nblocksy(&tex->base.block, tex->base.height[0]);
+
if (i915screen->is_i945) {
if (!i945_miptree_layout(tex))
goto fail;
@@ -592,8 +602,8 @@ i915_texture_create(struct pipe_screen *screen,
tex->buffer = ws->buffer_create(ws, 64,
PIPE_BUFFER_USAGE_PIXEL,
- tex->pitch * tex->base.cpp *
- tex->total_height);
+ tex->stride *
+ tex->total_nblocksy);
if (!tex->buffer)
goto fail;
@@ -648,13 +658,13 @@ i915_get_tex_surface(struct pipe_screen *screen,
unsigned offset; /* in bytes */
if (pt->target == PIPE_TEXTURE_CUBE) {
- offset = tex->image_offset[level][face] * pt->cpp;
+ offset = tex->image_offset[level][face];
}
else if (pt->target == PIPE_TEXTURE_3D) {
- offset = tex->image_offset[level][zslice] * pt->cpp;
+ offset = tex->image_offset[level][zslice];
}
else {
- offset = tex->image_offset[level][0] * pt->cpp;
+ offset = tex->image_offset[level][0];
assert(face == 0);
assert(zslice == 0);
}
@@ -666,10 +676,12 @@ i915_get_tex_surface(struct pipe_screen *screen,
pipe_texture_reference(&ps->texture, pt);
pipe_buffer_reference(ws, &ps->buffer, tex->buffer);
ps->format = pt->format;
- ps->cpp = pt->cpp;
ps->width = pt->width[level];
ps->height = pt->height[level];
- ps->pitch = tex->pitch;
+ ps->block = pt->block;
+ ps->nblocksx = pt->nblocksx[level];
+ ps->nblocksy = pt->nblocksy[level];
+ ps->stride = tex->stride;
ps->offset = offset;
ps->usage = flags;
ps->status = PIPE_SURFACE_STATUS_DEFINED;
@@ -680,7 +692,7 @@ i915_get_tex_surface(struct pipe_screen *screen,
static struct pipe_texture *
i915_texture_blanket(struct pipe_screen * screen,
const struct pipe_texture *base,
- const unsigned *pitch,
+ const unsigned *stride,
struct pipe_buffer *buffer)
{
struct i915_texture *tex;
@@ -699,7 +711,7 @@ i915_texture_blanket(struct pipe_screen * screen,
tex->base = *base;
- tex->pitch = pitch[0];
+ tex->stride = stride[0];
i915_miptree_set_level_info(tex, 0, 1, base->width[0], base->height[0], 1);
i915_miptree_set_image_offset(tex, 0, 0, 0, 0);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 07:06:45 +0000