* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "r300_transfer.h"
-#include "r300_texture.h"
+#include "r300_texture_desc.h"
#include "r300_screen_buffer.h"
#include "util/u_memory.h"
#include "util/u_format.h"
+#include "util/u_box.h"
struct r300_transfer {
/* Parent class */
/* Offset from start of buffer. */
unsigned offset;
- /* Detiled texture. */
- struct r300_texture *detiled_texture;
+ /* Linear texture. */
+ struct r300_resource *linear_texture;
};
/* Convenience cast wrapper. */
{
struct pipe_transfer *transfer = (struct pipe_transfer*)r300transfer;
struct pipe_resource *tex = transfer->resource;
- struct pipe_subresource subdst;
-
- subdst.face = 0;
- subdst.level = 0;
-
- /* XXX if we don't flush before copying the texture and mapping it,
- * we get wrong pixels, i.e. it's like latest draw calls didn't happen,
- * including this blit. Tests: e.g. piglit/provoking-vertex
- *
- * Since the flush immediately before mapping is implicit (the buffer is
- * always referenced in resource_copy_region), every read transfer costs
- * 2 flushes. That sucks. */
- ctx->flush(ctx, 0, NULL);
-
- ctx->resource_copy_region(ctx, &r300transfer->detiled_texture->b.b, subdst,
- 0, 0, 0,
- tex, transfer->sr,
- transfer->box.x, transfer->box.y, transfer->box.z,
- transfer->box.width, transfer->box.height);
-
- /* Flushing after the copy is implicit, issued by winsys. */
+
+ ctx->resource_copy_region(ctx, &r300transfer->linear_texture->b.b.b, 0,
+ 0, 0, 0,
+ tex, transfer->level, &transfer->box);
}
/* Copy a detiled texture to a tiled one. */
{
struct pipe_transfer *transfer = (struct pipe_transfer*)r300transfer;
struct pipe_resource *tex = transfer->resource;
- struct pipe_subresource subsrc;
-
- subsrc.face = 0;
- subsrc.level = 0;
+ struct pipe_box src_box;
+ u_box_origin_2d(transfer->box.width, transfer->box.height, &src_box);
- ctx->resource_copy_region(ctx, tex, transfer->sr,
- transfer->box.x, transfer->box.y, transfer->box.z,
- &r300transfer->detiled_texture->b.b, subsrc,
- 0, 0, 0,
- transfer->box.width, transfer->box.height);
+ ctx->resource_copy_region(ctx, tex, transfer->level,
+ transfer->box.x, transfer->box.y, transfer->box.z,
+ &r300transfer->linear_texture->b.b.b, 0, &src_box);
- /* XXX this flush fixes a few piglit tests (e.g. glean/pixelFormats). */
- ctx->flush(ctx, 0, NULL);
+ /* XXX remove this. */
+ r300_flush(ctx, 0, NULL);
}
struct pipe_transfer*
r300_texture_get_transfer(struct pipe_context *ctx,
- struct pipe_resource *texture,
- struct pipe_subresource sr,
- unsigned usage,
- const struct pipe_box *box)
+ struct pipe_resource *texture,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box)
{
- struct r300_texture *tex = r300_texture(texture);
- struct r300_screen *r300screen = r300_screen(ctx->screen);
+ struct r300_context *r300 = r300_context(ctx);
+ struct r300_resource *tex = r300_resource(texture);
struct r300_transfer *trans;
struct pipe_resource base;
boolean referenced_cs, referenced_hw;
- referenced_cs = r300screen->rws->is_buffer_referenced(
- r300screen->rws, tex->buffer, R300_REF_CS);
+ if (usage & (PIPE_TRANSFER_MAP_DIRECTLY | PIPE_TRANSFER_MAP_PERMANENTLY)) {
+ return NULL;
+ }
+
+ referenced_cs =
+ r300->rws->cs_is_buffer_referenced(r300->cs, tex->cs_buf);
if (referenced_cs) {
referenced_hw = TRUE;
} else {
- referenced_hw = r300screen->rws->is_buffer_referenced(
- r300screen->rws, tex->buffer, R300_REF_HW);
+ referenced_hw =
+ r300->rws->buffer_is_busy(tex->buf, RADEON_USAGE_READWRITE);
}
trans = CALLOC_STRUCT(r300_transfer);
if (trans) {
/* Initialize the transfer object. */
pipe_resource_reference(&trans->transfer.resource, texture);
- trans->transfer.sr = sr;
+ trans->transfer.level = level;
trans->transfer.usage = usage;
trans->transfer.box = *box;
/* If the texture is tiled, we must create a temporary detiled texture
* for this transfer.
* Also make write transfers pipelined. */
- if (tex->microtile || tex->macrotile ||
- (referenced_hw & !(usage & PIPE_TRANSFER_READ))) {
+ if (tex->tex.microtile || tex->tex.macrotile[level] ||
+ (referenced_hw && !(usage & PIPE_TRANSFER_READ) &&
+ r300_is_blit_supported(texture->format))) {
+ if (r300->blitter->running) {
+ fprintf(stderr, "r300: ERROR: Blitter recursion in texture_get_transfer.\n");
+ os_break();
+ }
+
base.target = PIPE_TEXTURE_2D;
base.format = texture->format;
base.width0 = box->width;
base.height0 = box->height;
- base.depth0 = 0;
+ base.depth0 = 1;
+ base.array_size = 1;
base.last_level = 0;
base.nr_samples = 0;
- base.usage = PIPE_USAGE_DYNAMIC;
+ base.usage = PIPE_USAGE_STAGING;
base.bind = 0;
- base.flags = R300_RESOURCE_FLAG_TRANSFER;
+ if (usage & PIPE_TRANSFER_READ) {
+ base.bind |= PIPE_BIND_SAMPLER_VIEW;
+ }
+ if (usage & PIPE_TRANSFER_WRITE) {
+ base.bind |= PIPE_BIND_RENDER_TARGET;
+ }
+ base.flags = R300_RESOURCE_FLAG_TRANSFER;
/* For texture reading, the temporary (detiled) texture is used as
* a render target when blitting from a tiled texture. */
}
/* Create the temporary texture. */
- trans->detiled_texture = r300_texture(
+ trans->linear_texture = r300_resource(
ctx->screen->resource_create(ctx->screen,
&base));
- assert(!trans->detiled_texture->microtile &&
- !trans->detiled_texture->macrotile);
+ if (!trans->linear_texture) {
+ /* Oh crap, the thing can't create the texture.
+ * Let's flush and try again. */
+ r300_flush(ctx, 0, NULL);
+
+ trans->linear_texture = r300_resource(
+ ctx->screen->resource_create(ctx->screen,
+ &base));
+
+ if (!trans->linear_texture) {
+ /* For linear textures, it's safe to fallback to
+ * an unpipelined transfer. */
+ if (!tex->tex.microtile && !tex->tex.macrotile[level]) {
+ goto unpipelined;
+ }
+
+ /* Otherwise, go to hell. */
+ fprintf(stderr,
+ "r300: Failed to create a transfer object, praise.\n");
+ FREE(trans);
+ return NULL;
+ }
+ }
+
+ assert(!trans->linear_texture->tex.microtile &&
+ !trans->linear_texture->tex.macrotile[0]);
- /* Set the stride.
- *
- * Even though we are using an internal texture for this,
- * the transfer sr, box and usage parameters still reflect
- * the arguments received to get_transfer. We just do the
- * right thing internally.
- */
+ /* Set the stride. */
trans->transfer.stride =
- r300_texture_get_stride(r300screen, trans->detiled_texture, 0);
+ trans->linear_texture->tex.stride_in_bytes[0];
if (usage & PIPE_TRANSFER_READ) {
/* We cannot map a tiled texture directly because the data is
r300_copy_from_tiled_texture(ctx, trans);
/* Always referenced in the blit. */
- ctx->flush(ctx, 0, NULL);
+ r300_flush(ctx, 0, NULL);
}
- } else {
- trans->transfer.stride =
- r300_texture_get_stride(r300screen, tex, sr.level);
- trans->offset = r300_texture_get_offset(tex, sr.level, box->z, sr.face);
-
- if (referenced_cs && (usage & PIPE_TRANSFER_READ))
- ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+ return &trans->transfer;
}
+
+ unpipelined:
+ /* Unpipelined transfer. */
+ trans->transfer.stride = tex->tex.stride_in_bytes[level];
+ trans->offset = r300_texture_get_offset(tex, level, box->z);
+
+ if (referenced_cs &&
+ !(usage & PIPE_TRANSFER_UNSYNCHRONIZED))
+ r300_flush(ctx, 0, NULL);
+ return &trans->transfer;
}
- return &trans->transfer;
+ return NULL;
}
void r300_texture_transfer_destroy(struct pipe_context *ctx,
{
struct r300_transfer *r300transfer = r300_transfer(trans);
- if (r300transfer->detiled_texture) {
+ if (r300transfer->linear_texture) {
if (trans->usage & PIPE_TRANSFER_WRITE) {
r300_copy_into_tiled_texture(ctx, r300transfer);
}
pipe_resource_reference(
- (struct pipe_resource**)&r300transfer->detiled_texture, NULL);
+ (struct pipe_resource**)&r300transfer->linear_texture, NULL);
}
pipe_resource_reference(&trans->resource, NULL);
FREE(trans);
void* r300_texture_transfer_map(struct pipe_context *ctx,
struct pipe_transfer *transfer)
{
- struct r300_winsys_screen *rws = (struct r300_winsys_screen *)ctx->winsys;
+ struct r300_context *r300 = r300_context(ctx);
+ struct radeon_winsys *rws = (struct radeon_winsys *)ctx->winsys;
struct r300_transfer *r300transfer = r300_transfer(transfer);
- struct r300_texture *tex = r300_texture(transfer->resource);
+ struct r300_resource *tex = r300_resource(transfer->resource);
char *map;
- enum pipe_format format = tex->b.b.format;
+ enum pipe_format format = tex->b.b.b.format;
- if (r300transfer->detiled_texture) {
+ if (r300transfer->linear_texture) {
/* The detiled texture is of the same size as the region being mapped
* (no offset needed). */
- return rws->buffer_map(rws,
- r300transfer->detiled_texture->buffer,
+ return rws->buffer_map(r300transfer->linear_texture->buf,
+ r300->cs,
transfer->usage);
} else {
/* Tiling is disabled. */
- map = rws->buffer_map(rws, tex->buffer,
+ map = rws->buffer_map(tex->buf, r300->cs,
transfer->usage);
if (!map) {
void r300_texture_transfer_unmap(struct pipe_context *ctx,
struct pipe_transfer *transfer)
{
- struct r300_winsys_screen *rws = (struct r300_winsys_screen *)ctx->winsys;
+ struct radeon_winsys *rws = (struct radeon_winsys *)ctx->winsys;
struct r300_transfer *r300transfer = r300_transfer(transfer);
- struct r300_texture *tex = r300_texture(transfer->resource);
+ struct r300_resource *tex = r300_resource(transfer->resource);
- if (r300transfer->detiled_texture) {
- rws->buffer_unmap(rws, r300transfer->detiled_texture->buffer);
+ if (r300transfer->linear_texture) {
+ rws->buffer_unmap(r300transfer->linear_texture->buf);
} else {
- rws->buffer_unmap(rws, tex->buffer);
+ rws->buffer_unmap(tex->buf);
}
}