#include "intel_blit.h"
#include "intel_fbo.h"
#include "intel_image.h"
-
+#include "intel_tiled_memcpy.h"
#include "brw_context.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
_mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type),
texImage->Level, texImage->Width, texImage->Height, texImage->Depth);
+ /* Allocate storage for texture data. */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ return;
+ }
+
+ assert(intelImage->mt);
+
ok = _mesa_meta_pbo_TexSubImage(ctx, dims, texImage, 0, 0, 0,
texImage->Width, texImage->Height,
texImage->Depth,
format, type, pixels,
- true, tex_busy, unpack);
+ false /*allocate_storage*/,
+ tex_busy, unpack);
if (ok)
return;
texImage->Height,
texImage->Depth,
format, type, pixels, unpack,
- true /*for_glTexImage*/);
+ false /*allocate_storage*/);
if (ok)
return;
uint32_t offset,
GLuint width, GLuint height,
GLuint pitch,
- GLuint tile_x, GLuint tile_y)
+ GLuint tile_x, GLuint tile_y,
+ bool disable_aux_buffers)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_image *intel_image = intel_texture_image(image);
ctx->Driver.FreeTextureImageBuffer(ctx, image);
intel_image->mt = intel_miptree_create_for_bo(brw, bo, image->TexFormat,
- 0, width, height, 1, pitch);
+ 0, width, height, 1, pitch,
+ disable_aux_buffers);
if (intel_image->mt == NULL)
return;
intel_image->mt->target = target;
rb->Base.Base.Width,
rb->Base.Base.Height,
rb->mt->pitch,
- 0, 0);
+ 0, 0,
+ false /*disable_aux_buffers*/);
_mesa_unlock_texture(&brw->ctx, texObj);
}
return;
}
+ /* Disable creation of the texture's aux buffers because the driver exposes
+ * no EGL API to manage them. That is, there is no API for resolving the aux
+ * buffer's content to the main buffer nor for invalidating the aux buffer's
+ * content.
+ */
intel_set_texture_image_bo(ctx, texImage, image->bo,
target, image->internal_format,
image->format, image->offset,
image->width, image->height,
image->pitch,
- image->tile_x, image->tile_y);
+ image->tile_x, image->tile_y,
+ true /*disable_aux_buffers*/);
+}
+
+/**
+ * \brief A fast path for glGetTexImage.
+ *
+ * \see intel_readpixels_tiled_memcpy()
+ */
+bool
+intel_gettexsubimage_tiled_memcpy(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing)
+{
+ struct brw_context *brw = brw_context(ctx);
+ struct intel_texture_image *image = intel_texture_image(texImage);
+ int dst_pitch;
+
+ /* The miptree's buffer. */
+ drm_intel_bo *bo;
+
+ int error = 0;
+
+ uint32_t cpp;
+ mem_copy_fn mem_copy = NULL;
+
+ /* This fastpath is restricted to specific texture types:
+ * a 2D BGRA, RGBA, L8 or A8 texture. It could be generalized to support
+ * more types.
+ *
+ * FINISHME: The restrictions below on packing alignment and packing row
+ * length are likely unneeded now because we calculate the destination stride
+ * with _mesa_image_row_stride. However, before removing the restrictions
+ * we need tests.
+ */
+ if (!brw->has_llc ||
+ !(type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) ||
+ !(texImage->TexObject->Target == GL_TEXTURE_2D ||
+ texImage->TexObject->Target == GL_TEXTURE_RECTANGLE) ||
+ pixels == NULL ||
+ _mesa_is_bufferobj(packing->BufferObj) ||
+ packing->Alignment > 4 ||
+ packing->SkipPixels > 0 ||
+ packing->SkipRows > 0 ||
+ (packing->RowLength != 0 && packing->RowLength != width) ||
+ packing->SwapBytes ||
+ packing->LsbFirst ||
+ packing->Invert)
+ return false;
+
+ /* We can't handle copying from RGBX or BGRX because the tiled_memcpy
+ * function doesn't set the last channel to 1.
+ */
+ if (texImage->TexFormat == MESA_FORMAT_B8G8R8X8_UNORM ||
+ texImage->TexFormat == MESA_FORMAT_R8G8B8X8_UNORM)
+ return false;
+
+ if (!intel_get_memcpy(texImage->TexFormat, format, type, &mem_copy, &cpp,
+ INTEL_DOWNLOAD))
+ return false;
+
+ /* If this is a nontrivial texture view, let another path handle it instead. */
+ if (texImage->TexObject->MinLayer)
+ return false;
+
+ if (!image->mt ||
+ (image->mt->tiling != I915_TILING_X &&
+ image->mt->tiling != I915_TILING_Y)) {
+ /* The algorithm is written only for X- or Y-tiled memory. */
+ return false;
+ }
+
+ /* Since we are going to write raw data to the miptree, we need to resolve
+ * any pending fast color clears before we start.
+ */
+ intel_miptree_resolve_color(brw, image->mt);
+
+ bo = image->mt->bo;
+
+ if (drm_intel_bo_references(brw->batch.bo, bo)) {
+ perf_debug("Flushing before mapping a referenced bo.\n");
+ intel_batchbuffer_flush(brw);
+ }
+
+ error = brw_bo_map(brw, bo, false /* write enable */, "miptree");
+ if (error) {
+ DBG("%s: failed to map bo\n", __FUNCTION__);
+ return false;
+ }
+
+ dst_pitch = _mesa_image_row_stride(packing, width, format, type);
+
+ DBG("%s: level=%d x,y=(%d,%d) (w,h)=(%d,%d) format=0x%x type=0x%x "
+ "mesa_format=0x%x tiling=%d "
+ "packing=(alignment=%d row_length=%d skip_pixels=%d skip_rows=%d)\n",
+ __FUNCTION__, texImage->Level, xoffset, yoffset, width, height,
+ format, type, texImage->TexFormat, image->mt->tiling,
+ packing->Alignment, packing->RowLength, packing->SkipPixels,
+ packing->SkipRows);
+
+ int level = texImage->Level + texImage->TexObject->MinLevel;
+
+ /* Adjust x and y offset based on miplevel */
+ xoffset += image->mt->level[level].level_x;
+ yoffset += image->mt->level[level].level_y;
+
+ tiled_to_linear(
+ xoffset * cpp, (xoffset + width) * cpp,
+ yoffset, yoffset + height,
+ pixels - (ptrdiff_t) yoffset * dst_pitch - (ptrdiff_t) xoffset * cpp,
+ bo->virtual,
+ dst_pitch, image->mt->pitch,
+ brw->has_swizzling,
+ image->mt->tiling,
+ mem_copy
+ );
+
+ drm_intel_bo_unmap(bo);
+ return true;
}
static void
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage) {
struct brw_context *brw = brw_context(ctx);
+ bool ok;
DBG("%s\n", __FUNCTION__);
perf_debug("%s: fallback to CPU mapping in PBO case\n", __FUNCTION__);
}
+ ok = intel_gettexsubimage_tiled_memcpy(ctx, texImage, 0, 0,
+ texImage->Width, texImage->Height,
+ format, type, pixels, &ctx->Pack);
+
+ if(ok)
+ return;
+
_mesa_meta_GetTexImage(ctx, format, type, pixels, texImage);
DBG("%s - DONE\n", __FUNCTION__);
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