--- /dev/null
+
+/**************************************************************************
+ *
+ * Copyright 2003 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/bufferobj.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "main/pbo.h"
+#include "main/texobj.h"
+#include "main/texstore.h"
+#include "main/texcompress.h"
+#include "main/enums.h"
+
+#include "intel_batchbuffer.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 bool
+intel_blit_texsubimage(struct gl_context * ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset,
+ GLint width, GLint height,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing)
+{
+ struct intel_context *intel = intel_context(ctx);
+ struct intel_texture_image *intelImage = intel_texture_image(texImage);
+
+ /* Try to do a blit upload of the subimage if the texture is
+ * currently busy.
+ */
+ if (!intelImage->mt)
+ return false;
+
+ /* The blitter can't handle Y tiling */
+ if (intelImage->mt->region->tiling == I915_TILING_Y)
+ return false;
+
+ if (texImage->TexObject->Target != GL_TEXTURE_2D)
+ 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",
+ __func__,
+ _mesa_enum_to_string(texImage->TexObject->Target),
+ texImage->Level, xoffset, yoffset, width, height);
+
+ pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1,
+ format, type, pixels, packing,
+ "glTexSubImage");
+ if (!pixels)
+ return false;
+
+ struct intel_mipmap_tree *temp_mt =
+ intel_miptree_create(intel, GL_TEXTURE_2D, texImage->TexFormat,
+ 0, 0,
+ width, height, 1,
+ false, INTEL_MIPTREE_TILING_NONE);
+ if (!temp_mt)
+ goto err;
+
+ GLubyte *dst = intel_miptree_map_raw(intel, temp_mt);
+ if (!dst)
+ goto err;
+
+ if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat,
+ temp_mt->region->pitch,
+ &dst,
+ width, height, 1,
+ format, type, pixels, packing)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
+ }
+
+ intel_miptree_unmap_raw(intel, temp_mt);
+
+ bool ret;
+
+ ret = intel_miptree_blit(intel,
+ temp_mt, 0, 0,
+ 0, 0, false,
+ intelImage->mt, texImage->Level, texImage->Face,
+ xoffset, yoffset, false,
+ width, height, GL_COPY);
+ assert(ret);
+
+ intel_miptree_release(&temp_mt);
+ _mesa_unmap_teximage_pbo(ctx, packing);
+
+ return ret;
+
+err:
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
+ intel_miptree_release(&temp_mt);
+ _mesa_unmap_teximage_pbo(ctx, packing);
+ return false;
+}
+
+static void
+intelTexSubImage(struct gl_context * ctx,
+ GLuint dims,
+ struct gl_texture_image *texImage,
+ 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)
+{
+ /* The intel_blit_texsubimage() function only handles 2D images */
+ if (dims != 2 || !intel_blit_texsubimage(ctx, texImage,
+ xoffset, yoffset,
+ width, height,
+ format, type, pixels, packing)) {
+ _mesa_store_texsubimage(ctx, dims, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels, packing);
+ }
+}
+
+void
+intelInitTextureSubImageFuncs(struct dd_function_table *functions)
+{
+ functions->TexSubImage = intelTexSubImage;
+}
projects / mesa.git / blobdiff