--- /dev/null
+/*
+ * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "radeon_common.h"
+#include "r300_context.h"
+
+#include "main/image.h"
+#include "main/teximage.h"
+#include "main/texstate.h"
+#include "drivers/common/meta.h"
+
+#include "radeon_mipmap_tree.h"
+#include "r300_blit.h"
+#include <main/debug.h>
+
+static GLboolean
+do_copy_texsubimage(GLcontext *ctx,
+ GLenum target, GLint level,
+ struct radeon_tex_obj *tobj,
+ radeon_texture_image *timg,
+ GLint dstx, GLint dsty,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height)
+{
+ struct r300_context *r300 = R300_CONTEXT(ctx);
+ struct radeon_renderbuffer *rrb;
+
+ if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) ||
+ _mesa_get_format_bits(timg->base.TexFormat, GL_STENCIL_BITS)) {
+ rrb = radeon_get_depthbuffer(&r300->radeon);
+ return GL_FALSE;
+ } else {
+ rrb = radeon_get_colorbuffer(&r300->radeon);
+ }
+
+ assert(rrb && rrb->bo);
+ assert(timg->mt && timg->mt->bo);
+ assert(timg->base.Width >= dstx + width);
+ assert(timg->base.Height >= dsty + height);
+ assert(tobj->mt == timg->mt);
+
+ intptr_t src_offset = rrb->draw_offset + x * rrb->cpp + y * rrb->pitch;
+ intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
+ dst_offset += dstx * _mesa_get_format_bytes(timg->base.TexFormat) +
+ dsty * _mesa_format_row_stride(timg->base.TexFormat, timg->base.Width);
+
+ if (0) {
+ fprintf(stderr, "%s: copying to face %d, level %d\n",
+ __FUNCTION__, _mesa_tex_target_to_face(target), level);
+ fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
+ fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d, width %d\n",
+ x, y, width, height, (uint32_t) src_offset, rrb->pitch, rrb->pitch/rrb->cpp);
+
+ }
+
+ /* blit from src buffer to texture */
+ return r300_blit(r300, rrb->bo, src_offset, rrb->base.Format, rrb->pitch,
+ width, height, timg->mt->bo, dst_offset,
+ timg->base.TexFormat, width, height);
+}
+
+static void
+r300CopyTexImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint border)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+ int srcx, srcy, dstx, dsty;
+
+ if (border)
+ goto fail;
+
+ /* Setup or redefine the texture object, mipmap tree and texture
+ * image. Don't populate yet.
+ */
+ ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+ width, height, border,
+ GL_RGBA, GL_UNSIGNED_BYTE, NULL,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ srcx = x;
+ srcy = y;
+ dstx = 0;
+ dsty = 0;
+ if (!_mesa_clip_copytexsubimage(ctx,
+ &dstx, &dsty,
+ &srcx, &srcy,
+ &width, &height)) {
+ return;
+ }
+
+ if (!do_copy_texsubimage(ctx, target, level,
+ radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
+ 0, 0, x, y, width, height)) {
+ goto fail;
+ }
+
+ return;
+
+fail:
+ _mesa_meta_CopyTexImage2D(ctx, target, level, internalFormat, x, y,
+ width, height, border);
+}
+
+static void
+r300CopyTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_texture_object *texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ assert(target == GL_TEXTURE_2D);
+
+ if (!do_copy_texsubimage(ctx, target, level,
+ radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
+ xoffset, yoffset, x, y, width, height)) {
+
+ //DEBUG_FALLBACKS
+
+ _mesa_meta_CopyTexSubImage2D(ctx, target, level,
+ xoffset, yoffset, x, y, width, height);
+ }
+}
+
+
+void r300_init_texcopy_functions(struct dd_function_table *table)
+{
+ table->CopyTexImage2D = r300CopyTexImage2D;
+ table->CopyTexSubImage2D = r300CopyTexSubImage2D;
+}
\ No newline at end of file
projects / mesa.git / commitdiff