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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.c707
1 files changed, 431 insertions, 276 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index ca8e87af8d..6a6c654271 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -42,12 +42,14 @@
#include "i915_texture.h"
#include "i915_debug.h"
#include "i915_screen.h"
-#include "i915_winsys.h"
+#include "intel_winsys.h"
+
/*
* Helper function and arrays
*/
+
/**
* Initial offset for Cube map.
*/
@@ -72,11 +74,6 @@ static const int step_offsets[6][2] = {
{-1, 1}
};
-static unsigned minify( unsigned d )
-{
- return MAX2(1, d>>1);
-}
-
static unsigned
power_of_two(unsigned x)
{
@@ -138,7 +135,7 @@ i915_miptree_set_level_info(struct i915_texture *tex,
static void
i915_miptree_set_image_offset(struct i915_texture *tex,
- unsigned level, unsigned img, unsigned x, unsigned y)
+ unsigned level, unsigned img, unsigned x, unsigned y)
{
if (img == 0 && level == 0)
assert(x == 0 && y == 0);
@@ -155,49 +152,189 @@ i915_miptree_set_image_offset(struct i915_texture *tex,
/*
- * Layout functions
+ * i915 layout functions, some used by i945
*/
/**
- * Special case to deal with display targets.
+ * Special case to deal with scanout textures.
*/
static boolean
-i915_displaytarget_layout(struct i915_texture *tex)
+i915_scanout_layout(struct i915_texture *tex)
{
struct pipe_texture *pt = &tex->base;
if (pt->last_level > 0 || pt->block.size != 4)
return 0;
- i915_miptree_set_level_info( tex, 0, 1,
- tex->base.width[0],
- tex->base.height[0],
- 1 );
- i915_miptree_set_image_offset( tex, 0, 0, 0, 0 );
+ i915_miptree_set_level_info(tex, 0, 1,
+ tex->base.width[0],
+ tex->base.height[0],
+ 1);
+ i915_miptree_set_image_offset(tex, 0, 0, 0, 0);
- if (tex->base.width[0] >= 128) {
+ if (tex->base.width[0] >= 240) {
+ tex->stride = power_of_two(tex->base.nblocksx[0] * pt->block.size);
+ tex->total_nblocksy = round_up(tex->base.nblocksy[0], 8);
+ tex->hw_tiled = INTEL_TILE_X;
+ } else if (tex->base.width[0] == 64 && tex->base.height[0] == 64) {
tex->stride = power_of_two(tex->base.nblocksx[0] * pt->block.size);
tex->total_nblocksy = round_up(tex->base.nblocksy[0], 8);
-#if 0 /* used for tiled display targets */
- tex->tiled = 1;
-#endif
} else {
- tex->stride = round_up(tex->base.nblocksx[0] * pt->block.size, 64);
- tex->total_nblocksy = tex->base.nblocksy[0];
+ return FALSE;
}
- /*
- printf("%s size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__,
+ debug_printf("%s size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__,
tex->base.width[0], tex->base.height[0], pt->block.size,
tex->stride, tex->total_nblocksy, tex->stride * tex->total_nblocksy);
- */
- return 1;
+ return TRUE;
+}
+
+static void
+i915_miptree_layout_2d(struct i915_texture *tex)
+{
+ struct pipe_texture *pt = &tex->base;
+ unsigned level;
+ unsigned width = pt->width[0];
+ unsigned height = pt->height[0];
+ unsigned nblocksx = pt->nblocksx[0];
+ unsigned nblocksy = pt->nblocksy[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);
+ i915_miptree_set_image_offset(tex, level, 0, 0, tex->total_nblocksy);
+
+ nblocksy = round_up(MAX2(2, nblocksy), 2);
+
+ tex->total_nblocksy += nblocksy;
+
+ width = minify(width);
+ height = minify(height);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
+ }
+}
+
+static void
+i915_miptree_layout_3d(struct i915_texture *tex)
+{
+ struct pipe_texture *pt = &tex->base;
+ unsigned level;
+
+ 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 stack_nblocksy = 0;
+
+ /* Calculate the size of a single slice.
+ */
+ 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);
+
+ 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:
+ */
+ depth = pt->depth[0];
+ for (level = 0; level <= pt->last_level; level++) {
+ unsigned i;
+ for (i = 0; i < depth; i++)
+ i915_miptree_set_image_offset(tex, level, i, 0, i * stack_nblocksy);
+
+ depth = minify(depth);
+ }
+
+ /* Multiply slice size by texture depth for total size. It's
+ * remarkable how wasteful of memory the i915 texture layouts
+ * are. They are largely fixed in the i945.
+ */
+ tex->total_nblocksy = stack_nblocksy * pt->depth[0];
+}
+
+static void
+i915_miptree_layout_cube(struct i915_texture *tex)
+{
+ struct pipe_texture *pt = &tex->base;
+ unsigned width = pt->width[0], height = pt->height[0];
+ const unsigned nblocks = pt->nblocksx[0];
+ unsigned level;
+ unsigned face;
+
+ assert(width == height); /* cubemap images are square */
+
+ /* double pitch for cube layouts */
+ 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, width, height, 1);
+ width /= 2;
+ height /= 2;
+ }
+
+ for (face = 0; face < 6; face++) {
+ 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);
+ d >>= 1;
+ x += step_offsets[face][0] * d;
+ y += step_offsets[face][1] * d;
+ }
+ }
+}
+
+static boolean
+i915_miptree_layout(struct i915_texture * tex)
+{
+ struct pipe_texture *pt = &tex->base;
+
+ switch (pt->target) {
+ case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_2D:
+ i915_miptree_layout_2d(tex);
+ break;
+ case PIPE_TEXTURE_3D:
+ i915_miptree_layout_3d(tex);
+ break;
+ case PIPE_TEXTURE_CUBE:
+ i915_miptree_layout_cube(tex);
+ break;
+ default:
+ assert(0);
+ return FALSE;
+ }
+
+ return TRUE;
}
+
+/*
+ * i945 layout functions
+ */
+
+
static void
-i945_miptree_layout_2d( struct i915_texture *tex )
+i945_miptree_layout_2d(struct i915_texture *tex)
{
struct pipe_texture *pt = &tex->base;
const int align_x = 2, align_y = 4;
@@ -209,10 +346,10 @@ i945_miptree_layout_2d( struct i915_texture *tex )
unsigned nblocksx = pt->nblocksx[0];
unsigned nblocksy = pt->nblocksy[0];
- /* used for tiled display targets */
- if (0)
- if (i915_displaytarget_layout(tex))
- return;
+ /* used for scanouts that need special layouts */
+ if (tex->base.tex_usage & PIPE_TEXTURE_USAGE_PRIMARY)
+ if (i915_scanout_layout(tex))
+ return;
tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
@@ -223,11 +360,11 @@ i945_miptree_layout_2d( struct i915_texture *tex )
*/
if (pt->last_level > 0) {
unsigned mip1_nblocksx
- = align(pf_get_nblocksx(&pt->block, minify(width)), align_x)
+ = align(pf_get_nblocksx(&pt->block, minify(width)), align_x)
+ pf_get_nblocksx(&pt->block, minify(minify(width)));
if (mip1_nblocksx > nblocksx)
- tex->stride = mip1_nblocksx * pt->block.size;
+ tex->stride = mip1_nblocksx * pt->block.size;
}
/* Pitch must be a whole number of dwords
@@ -249,10 +386,10 @@ i945_miptree_layout_2d( struct i915_texture *tex )
/* Layout_below: step right after second mipmap level.
*/
if (level == 1) {
- x += align(nblocksx, align_x);
+ x += align(nblocksx, align_x);
}
else {
- y += nblocksy;
+ y += nblocksy;
}
width = minify(width);
@@ -263,6 +400,63 @@ i945_miptree_layout_2d( struct i915_texture *tex )
}
static void
+i945_miptree_layout_3d(struct i915_texture *tex)
+{
+ struct pipe_texture *pt = &tex->base;
+ 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;
+ unsigned level;
+
+ tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
+ tex->total_nblocksy = 0;
+
+ 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++) {
+ int x = 0;
+ int y = 0;
+ unsigned q, j;
+
+ i915_miptree_set_level_info(tex, level, depth, width, height, depth);
+
+ for (q = 0; q < depth;) {
+ for (j = 0; j < pack_x_nr && q < depth; j++, q++) {
+ i915_miptree_set_image_offset(tex, level, q, x, y + tex->total_nblocksy);
+ x += pack_x_pitch;
+ }
+
+ x = 0;
+ y += pack_y_pitch;
+ }
+
+ tex->total_nblocksy += y;
+
+ if (pack_x_pitch > 4) {
+ pack_x_pitch >>= 1;
+ pack_x_nr <<= 1;
+ assert(pack_x_pitch * pack_x_nr * pt->block.size <= tex->stride);
+ }
+
+ if (pack_y_pitch > 2) {
+ pack_y_pitch >>= 1;
+ }
+
+ width = minify(width);
+ height = minify(height);
+ depth = minify(depth);
+ nblocksx = pf_get_nblocksx(&pt->block, width);
+ nblocksy = pf_get_nblocksy(&pt->block, height);
+ }
+}
+
+static void
i945_miptree_layout_cube(struct i915_texture *tex)
{
struct pipe_texture *pt = &tex->base;
@@ -364,226 +558,44 @@ i945_miptree_layout_cube(struct i915_texture *tex)
}
static boolean
-i915_miptree_layout(struct i915_texture * tex)
-{
- struct pipe_texture *pt = &tex->base;
- unsigned level;
-
- switch (pt->target) {
- case PIPE_TEXTURE_CUBE: {
- const unsigned nblocks = pt->nblocksx[0];
- unsigned face;
- unsigned width = pt->width[0], height = pt->height[0];
-
- assert(width == height); /* cubemap images are square */
-
- /* double pitch for cube layouts */
- 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,
- width, height,
- 1);
- width /= 2;
- height /= 2;
- }
-
- for (face = 0; face < 6; face++) {
- 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);
- d >>= 1;
- x += step_offsets[face][0] * d;
- y += step_offsets[face][1] * d;
- }
- }
- break;
- }
- case PIPE_TEXTURE_3D:{
- 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 stack_nblocksy = 0;
-
- /* Calculate the size of a single slice.
- */
- 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);
-
-
- 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:
- */
- depth = pt->depth[0];
- for (level = 0; level <= pt->last_level; level++) {
- unsigned i;
- for (i = 0; i < depth; i++)
- i915_miptree_set_image_offset(tex, level, i,
- 0, i * stack_nblocksy);
-
- depth = minify(depth);
- }
-
-
- /* Multiply slice size by texture depth for total size. It's
- * remarkable how wasteful of memory the i915 texture layouts
- * are. They are largely fixed in the i945.
- */
- tex->total_nblocksy = stack_nblocksy * pt->depth[0];
- break;
- }
-
- default:{
- unsigned width = pt->width[0];
- unsigned height = pt->height[0];
- unsigned nblocksx = pt->nblocksx[0];
- unsigned nblocksy = pt->nblocksy[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);
- i915_miptree_set_image_offset(tex, level, 0,
- 0, tex->total_nblocksy);
-
- nblocksy = round_up(MAX2(2, nblocksy), 2);
-
- 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;
- }
- }
- /*
- DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
- tex->pitch,
- tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy);
- */
-
- return TRUE;
-}
-
-
-static boolean
i945_miptree_layout(struct i915_texture * tex)
{
struct pipe_texture *pt = &tex->base;
- unsigned level;
switch (pt->target) {
+ case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_2D:
+ i945_miptree_layout_2d(tex);
+ break;
+ case PIPE_TEXTURE_3D:
+ i945_miptree_layout_3d(tex);
+ break;
case PIPE_TEXTURE_CUBE:
i945_miptree_layout_cube(tex);
break;
- case PIPE_TEXTURE_3D:{
- 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->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
- tex->total_nblocksy = 0;
-
- 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++) {
- unsigned nr_images = pt->target == PIPE_TEXTURE_3D ? depth : 6;
- int x = 0;
- int y = 0;
- unsigned q, j;
-
- i915_miptree_set_level_info(tex, level, nr_images,
- 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_nblocksy);
- x += pack_x_pitch;
- }
-
- x = 0;
- y += pack_y_pitch;
- }
-
-
- tex->total_nblocksy += y;
-
- if (pack_x_pitch > 4) {
- pack_x_pitch >>= 1;
- pack_x_nr <<= 1;
- assert(pack_x_pitch * pack_x_nr * pt->block.size <= tex->stride);
- }
-
- if (pack_y_pitch > 2) {
- pack_y_pitch >>= 1;
- }
-
- width = minify(width);
- height = minify(height);
- depth = minify(depth);
- nblocksx = pf_get_nblocksx(&pt->block, width);
- nblocksy = pf_get_nblocksy(&pt->block, height);
- }
- break;
- }
-
- case PIPE_TEXTURE_1D:
- case PIPE_TEXTURE_2D:
-// case PIPE_TEXTURE_RECTANGLE:
- i945_miptree_layout_2d(tex);
- break;
default:
assert(0);
return FALSE;
}
- /*
- DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
- tex->pitch,
- tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy);
- */
-
return TRUE;
}
+/*
+ * Screen texture functions
+ */
+
+
static struct pipe_texture *
i915_texture_create(struct pipe_screen *screen,
const struct pipe_texture *templat)
{
- struct i915_screen *i915screen = i915_screen(screen);
+ struct i915_screen *is = i915_screen(screen);
+ struct intel_winsys *iws = is->iws;
struct i915_texture *tex = CALLOC_STRUCT(i915_texture);
size_t tex_size;
+ unsigned buf_usage = 0;
if (!tex)
return NULL;
@@ -595,23 +607,35 @@ i915_texture_create(struct pipe_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 (is->is_i945) {
if (!i945_miptree_layout(tex))
- goto fail;
+ goto fail;
} else {
if (!i915_miptree_layout(tex))
- goto fail;
+ goto fail;
}
tex_size = tex->stride * tex->total_nblocksy;
- tex->buffer = screen->buffer_create(screen, 64,
- PIPE_BUFFER_USAGE_PIXEL,
- tex_size);
+
+ /* for scanouts and cursors, cursors arn't scanouts */
+ if (templat->tex_usage & PIPE_TEXTURE_USAGE_PRIMARY && templat->width[0] != 64)
+ buf_usage = INTEL_NEW_SCANOUT;
+ else
+ buf_usage = INTEL_NEW_TEXTURE;
+
+ tex->buffer = iws->buffer_create(iws, tex_size, 64, buf_usage);
if (!tex->buffer)
goto fail;
+ /* setup any hw fences */
+ if (tex->hw_tiled) {
+ assert(tex->sw_tiled == INTEL_TILE_NONE);
+ iws->buffer_set_fence_reg(iws, tex->buffer, tex->stride, tex->hw_tiled);
+ }
+
+
#if 0
void *ptr = ws->buffer_map(ws, tex->buffer,
PIPE_BUFFER_USAGE_CPU_WRITE);
@@ -626,18 +650,56 @@ fail:
return NULL;
}
+static struct pipe_texture *
+i915_texture_blanket(struct pipe_screen * screen,
+ const struct pipe_texture *base,
+ const unsigned *stride,
+ struct pipe_buffer *buffer)
+{
+#if 0
+ struct i915_texture *tex;
+ assert(screen);
+
+ /* Only supports one type */
+ if (base->target != PIPE_TEXTURE_2D ||
+ base->last_level != 0 ||
+ base->depth[0] != 1) {
+ return NULL;
+ }
+
+ tex = CALLOC_STRUCT(i915_texture);
+ if (!tex)
+ return NULL;
+
+ tex->base = *base;
+ pipe_reference_init(&tex->base.reference, 1);
+ tex->base.screen = screen;
+
+ 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);
+
+ pipe_buffer_reference(&tex->buffer, buffer);
+
+ return &tex->base;
+#else
+ return NULL;
+#endif
+}
static void
i915_texture_destroy(struct pipe_texture *pt)
{
struct i915_texture *tex = (struct i915_texture *)pt;
+ struct intel_winsys *iws = i915_screen(pt->screen)->iws;
uint i;
/*
DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
*/
- pipe_buffer_reference(&tex->buffer, NULL);
+ iws->buffer_destroy(iws, tex->buffer);
for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS; i++)
if (tex->image_offset[i])
@@ -646,6 +708,12 @@ i915_texture_destroy(struct pipe_texture *pt)
FREE(tex);
}
+
+/*
+ * Screen surface functions
+ */
+
+
static struct pipe_surface *
i915_get_tex_surface(struct pipe_screen *screen,
struct pipe_texture *pt,
@@ -681,11 +749,122 @@ i915_get_tex_surface(struct pipe_screen *screen,
return ps;
}
-static struct pipe_texture *
-i915_texture_blanket(struct pipe_screen * screen,
- const struct pipe_texture *base,
- const unsigned *stride,
- struct pipe_buffer *buffer)
+static void
+i915_tex_surface_destroy(struct pipe_surface *surf)
+{
+ pipe_texture_reference(&surf->texture, NULL);
+ FREE(surf);
+}
+
+
+/*
+ * Screen transfer functions
+ */
+
+
+static struct pipe_transfer*
+i915_get_tex_transfer(struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level, unsigned zslice,
+ enum pipe_transfer_usage usage, unsigned x, unsigned y,
+ unsigned w, unsigned h)
+{
+ struct i915_texture *tex = (struct i915_texture *)texture;
+ struct i915_transfer *trans;
+ unsigned offset; /* in bytes */
+
+ if (texture->target == PIPE_TEXTURE_CUBE) {
+ offset = tex->image_offset[level][face];
+ }
+ else if (texture->target == PIPE_TEXTURE_3D) {
+ offset = tex->image_offset[level][zslice];
+ }
+ else {
+ offset = tex->image_offset[level][0];
+ assert(face == 0);
+ assert(zslice == 0);
+ }
+
+ trans = CALLOC_STRUCT(i915_transfer);
+ if (trans) {
+ pipe_texture_reference(&trans->base.texture, texture);
+ trans->base.format = trans->base.format;
+ trans->base.x = x;
+ trans->base.y = y;
+ trans->base.width = w;
+ trans->base.height = h;
+ trans->base.block = texture->block;
+ trans->base.nblocksx = texture->nblocksx[level];
+ trans->base.nblocksy = texture->nblocksy[level];
+ trans->base.stride = tex->stride;
+ trans->offset = offset;
+ trans->base.usage = usage;
+ }
+ return &trans->base;
+}
+
+static void *
+i915_transfer_map(struct pipe_screen *screen,
+ struct pipe_transfer *transfer)
+{
+ struct i915_texture *tex = (struct i915_texture *)transfer->texture;
+ struct intel_winsys *iws = i915_screen(tex->base.screen)->iws;
+ char *map;
+ boolean write = FALSE;
+
+ if (transfer->usage != PIPE_TRANSFER_READ)
+ write = TRUE;
+
+ map = iws->buffer_map(iws, tex->buffer, write);
+ if (map == NULL)
+ return NULL;
+
+ return map + i915_transfer(transfer)->offset +
+ transfer->y / transfer->block.height * transfer->stride +
+ transfer->x / transfer->block.width * transfer->block.size;
+}
+
+static void
+i915_transfer_unmap(struct pipe_screen *screen,
+ struct pipe_transfer *transfer)
+{
+ struct i915_texture *tex = (struct i915_texture *)transfer->texture;
+ struct intel_winsys *iws = i915_screen(tex->base.screen)->iws;
+ iws->buffer_unmap(iws, tex->buffer);
+}
+
+static void
+i915_tex_transfer_destroy(struct pipe_transfer *trans)
+{
+ pipe_texture_reference(&trans->texture, NULL);
+ FREE(trans);
+}
+
+
+/*
+ * Other texture functions
+ */
+
+
+void
+i915_init_screen_texture_functions(struct i915_screen *is)
+{
+ is->base.texture_create = i915_texture_create;
+ is->base.texture_blanket = i915_texture_blanket;
+ is->base.texture_destroy = i915_texture_destroy;
+ is->base.get_tex_surface = i915_get_tex_surface;
+ is->base.tex_surface_destroy = i915_tex_surface_destroy;
+ is->base.get_tex_transfer = i915_get_tex_transfer;
+ is->base.transfer_map = i915_transfer_map;
+ is->base.transfer_unmap = i915_transfer_unmap;
+ is->base.tex_transfer_destroy = i915_tex_transfer_destroy;
+}
+
+struct pipe_texture *
+i915_texture_blanket_intel(struct pipe_screen *screen,
+ struct pipe_texture *base,
+ unsigned stride,
+ struct intel_buffer *buffer)
{
struct i915_texture *tex;
assert(screen);
@@ -705,52 +884,28 @@ i915_texture_blanket(struct pipe_screen * screen,
pipe_reference_init(&tex->base.reference, 1);
tex->base.screen = screen;
- tex->stride = stride[0];
+ tex->stride = stride;
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);
- pipe_buffer_reference(&tex->buffer, buffer);
+ tex->buffer = buffer;
return &tex->base;
}
-void
-i915_init_texture_functions(struct i915_context *i915)
-{
-// i915->pipe.texture_update = i915_texture_update;
-}
-
-static void
-i915_tex_surface_destroy(struct pipe_surface *surf)
-{
- pipe_texture_reference(&surf->texture, NULL);
- FREE(surf);
-}
-
-void
-i915_init_screen_texture_functions(struct pipe_screen *screen)
-{
- screen->texture_create = i915_texture_create;
- screen->texture_destroy = i915_texture_destroy;
- screen->get_tex_surface = i915_get_tex_surface;
- screen->texture_blanket = i915_texture_blanket;
- screen->tex_surface_destroy = i915_tex_surface_destroy;
-}
-
-boolean i915_get_texture_buffer( struct pipe_texture *texture,
- struct pipe_buffer **buf,
- unsigned *stride )
+boolean
+i915_get_texture_buffer_intel(struct pipe_texture *texture,
+ struct intel_buffer **buffer,
+ unsigned *stride)
{
struct i915_texture *tex = (struct i915_texture *)texture;
- if (!tex)
+ if (!texture)
return FALSE;
- pipe_buffer_reference(buf, tex->buffer);
-
- if (stride)
- *stride = tex->stride;
+ *stride = tex->stride;
+ *buffer = tex->buffer;
return TRUE;
}