**************************************************************************/
#include "main/mtypes.h"
+#include "main/pbo.h"
#include "main/texobj.h"
#include "main/texstore.h"
#include "main/texcompress.h"
#include "intel_context.h"
#include "intel_tex.h"
#include "intel_mipmap_tree.h"
+#include "intel_blit.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
-static void
-intelTexSubimage(GLcontext * ctx,
- GLint dims,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLsizei imageSize,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean compressed)
+static bool
+intel_blit_texsubimage(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint width, GLint height,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
{
struct intel_context *intel = intel_context(ctx);
struct intel_texture_image *intelImage = intel_texture_image(texImage);
GLuint dstRowStride = 0;
-
- DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target),
- level, xoffset, yoffset, width, height);
-
- intelFlush(ctx);
+ drm_intel_bo *temp_bo = NULL;
+ unsigned int blit_x = 0, blit_y = 0;
+ unsigned long pitch;
+ uint32_t tiling_mode = I915_TILING_NONE;
+ GLubyte *dstMap;
+
+ /* Try to do a blit upload of the subimage if the texture is
+ * currently busy.
+ */
+ if (!intelImage->mt)
+ return false;
- if (compressed)
- pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize,
- pixels, packing,
- "glCompressedTexImage");
- else
- pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
- format, type, pixels, packing,
- "glTexSubImage");
- if (!pixels)
- return;
+ /* The blitter can't handle Y tiling */
+ if (intelImage->mt->region->tiling == I915_TILING_Y)
+ return false;
- LOCK_HARDWARE(intel);
+ if (target != GL_TEXTURE_2D)
+ return false;
- /* Map buffer if necessary. Need to lock to prevent other contexts
- * from uploading the buffer under us.
+ /* On gen6, it's probably not worth swapping to the blit ring to do
+ * this because of all the overhead involved.
*/
- if (intelImage->mt)
- texImage->Data = intel_miptree_image_map(intel,
- intelImage->mt,
- intelImage->face,
- intelImage->level,
- &dstRowStride,
- texImage->ImageOffsets);
- else {
- if (_mesa_is_format_compressed(texImage->TexFormat)) {
- dstRowStride =
- _mesa_format_row_stride(texImage->TexFormat, width);
- assert(dims != 3);
- }
- else {
- dstRowStride = texImage->RowStride * _mesa_get_format_bytes(texImage->TexFormat);
- }
+ if (intel->gen >= 6)
+ return false;
+
+ if (!drm_intel_bo_busy(intelImage->mt->region->bo))
+ return false;
+
+ DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n",
+ __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target),
+ level, xoffset, yoffset, width, height);
+
+ pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1,
+ format, type, pixels, packing,
+ "glTexSubImage");
+ if (!pixels)
+ return false;
+
+ temp_bo = drm_intel_bo_alloc_tiled(intel->bufmgr,
+ "subimage blit bo",
+ width, height,
+ intelImage->mt->cpp,
+ &tiling_mode,
+ &pitch,
+ 0);
+ if (temp_bo == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
+ return false;
}
- assert(dstRowStride);
-
- if (compressed) {
- if (intelImage->mt) {
- struct intel_region *dst = intelImage->mt->region;
-
- _mesa_copy_rect(texImage->Data, dst->cpp, dst->pitch,
- xoffset, yoffset / 4,
- (width + 3) & ~3, (height + 3) / 4,
- pixels, (width + 3) & ~3, 0, 0);
- }
- else {
- memcpy(texImage->Data, pixels, imageSize);
- }
+ if (drm_intel_gem_bo_map_gtt(temp_bo)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
+ return false;
}
- else {
- if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- xoffset, yoffset, zoffset,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, depth,
- format, type, pixels, packing)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
- }
+
+ dstMap = temp_bo->virtual;
+ dstRowStride = pitch;
+
+ intel_miptree_get_image_offset(intelImage->mt, level,
+ intelImage->base.Base.Face, 0,
+ &blit_x, &blit_y);
+ blit_x += xoffset;
+ blit_y += yoffset;
+ xoffset = 0;
+ yoffset = 0;
+
+ if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat,
+ xoffset, yoffset, 0,
+ dstRowStride,
+ &dstMap,
+ width, height, 1,
+ format, type, pixels, packing)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
}
- _mesa_unmap_teximage_pbo(ctx, packing);
+ bool ret;
+ unsigned int dst_pitch = intelImage->mt->region->pitch *
+ intelImage->mt->cpp;
- if (intelImage->mt) {
- intel_miptree_image_unmap(intel, intelImage->mt);
- texImage->Data = NULL;
- }
+ drm_intel_gem_bo_unmap_gtt(temp_bo);
- UNLOCK_HARDWARE(intel);
-}
+ ret = intelEmitCopyBlit(intel,
+ intelImage->mt->cpp,
+ dstRowStride / intelImage->mt->cpp,
+ temp_bo, 0, false,
+ dst_pitch / intelImage->mt->cpp,
+ intelImage->mt->region->bo, 0,
+ intelImage->mt->region->tiling,
+ 0, 0, blit_x, blit_y, width, height,
+ GL_COPY);
+ assert(ret);
+ drm_intel_bo_unreference(temp_bo);
+ _mesa_unmap_teximage_pbo(ctx, packing);
-static void
-intelTexSubImage3D(GLcontext * ctx,
- GLenum target,
- GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type,
- const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- intelTexSubimage(ctx, 3,
- target, level,
- xoffset, yoffset, zoffset,
- width, height, depth, 0,
- format, type, pixels, packing, texObj, texImage, GL_FALSE);
+ return true;
}
-
static void
-intelTexSubImage2D(GLcontext * ctx,
+intelTexSubImage2D(struct gl_context * ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- intelTexSubimage(ctx, 2,
- target, level,
- xoffset, yoffset, 0,
- width, height, 1, 0,
- format, type, pixels, packing, texObj, texImage, GL_FALSE);
-}
-
-
-static void
-intelTexSubImage1D(GLcontext * ctx,
- GLenum target,
- GLint level,
- GLint xoffset,
- GLsizei width,
- GLenum format, GLenum type,
- const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- intelTexSubimage(ctx, 1,
- target, level,
- xoffset, 0, 0,
- width, 1, 1, 0,
- format, type, pixels, packing, texObj, texImage, GL_FALSE);
-}
-
-static void
-intelCompressedTexSubImage2D(GLcontext * ctx,
- GLenum target,
- GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLsizei imageSize,
- const GLvoid * pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- intelTexSubimage(ctx, 2,
- target, level,
- xoffset, yoffset, 0,
- width, height, 1, imageSize,
- format, 0, pixels, &ctx->Unpack, texObj, texImage, GL_TRUE);
+ if (!intel_blit_texsubimage(ctx, target, level,
+ xoffset, yoffset,
+ width, height,
+ format, type, pixels, packing,
+ texObj, texImage)) {
+ _mesa_store_texsubimage2d(ctx, target, level,
+ xoffset, yoffset,
+ width, height,
+ format, type, pixels,
+ packing, texObj, texImage);
+ }
}
-
-
void
intelInitTextureSubImageFuncs(struct dd_function_table *functions)
{
- functions->TexSubImage1D = intelTexSubImage1D;
functions->TexSubImage2D = intelTexSubImage2D;
- functions->TexSubImage3D = intelTexSubImage3D;
- functions->CompressedTexSubImage2D = intelCompressedTexSubImage2D;
}