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Diffstat (limited to 'src/mesa/drivers/dri/i915-tex/intel_tex_subimage.c')
-rw-r--r--src/mesa/drivers/dri/i915-tex/intel_tex_subimage.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915-tex/intel_tex_subimage.c b/src/mesa/drivers/dri/i915-tex/intel_tex_subimage.c
new file mode 100644
index 00000000000..5adf8599a45
--- /dev/null
+++ b/src/mesa/drivers/dri/i915-tex/intel_tex_subimage.c
@@ -0,0 +1,178 @@
+
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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 "mtypes.h"
+#include "texobj.h"
+#include "texstore.h"
+#include "enums.h"
+
+#include "intel_context.h"
+#include "intel_tex.h"
+#include "intel_mipmap_tree.h"
+
+
+static void intelTexSubimage (GLcontext *ctx,
+ GLint dims,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ 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 dstImageStride;
+ GLuint dstRowStride;
+
+ 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);
+
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, type,
+ pixels, packing, "glTexSubImage2D");
+ if (!pixels)
+ return;
+
+ LOCK_HARDWARE(intel);
+
+ /* Map buffer if necessary. Need to lock to prevent other contexts
+ * from uploading the buffer under us.
+ */
+ if (intelImage->mt)
+ texImage->Data = intel_miptree_image_map(intel,
+ intelImage->mt,
+ intelImage->face,
+ intelImage->level,
+ &dstRowStride,
+ &dstImageStride );
+
+ assert(dstRowStride);
+
+ if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ xoffset, yoffset, zoffset,
+ dstRowStride, dstImageStride,
+ width, height, depth,
+ format, type, pixels, packing)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
+ }
+
+#if 0
+ /* GL_SGIS_generate_mipmap */
+ if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+ _mesa_generate_mipmap(ctx, target,
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
+ texObj);
+ }
+#endif
+
+ _mesa_unmap_teximage_pbo(ctx, packing);
+
+ if (intelImage->mt) {
+ intel_miptree_image_unmap(intel, intelImage->mt);
+ texImage->Data = NULL;
+ }
+
+ UNLOCK_HARDWARE(intel);
+}
+
+
+
+
+
+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,
+ format, type, pixels, packing, texObj,
+ texImage);
+
+}
+
+
+
+void intelTexSubImage2D(GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ 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, 2,
+ target, level,
+ xoffset, yoffset, 0,
+ width, height, 1,
+ format, type, pixels, packing, texObj,
+ texImage);
+
+}
+
+
+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,
+ format, type, pixels, packing, texObj,
+ texImage);
+
+}