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authorBrian Paul <[email protected]>2011-07-21 08:46:02 -0600
committerBrian Paul <[email protected]>2011-07-21 08:46:02 -0600
commitecc6a26a3d602e8b649c441077e005dfeb77aff2 (patch)
tree30c9a2098a8eb92d6373c6cf2ba90e5fda0d1a00 /src/mesa/drivers/common/meta.c
parentafc160e1c8f87d0a76e41f1100d528d8ab82ecc4 (diff)
parentd5e32397762a3bd55fa69ad6332351512083f9c6 (diff)
Merge branch 'remove-copyteximage-hook'
Diffstat (limited to 'src/mesa/drivers/common/meta.c')
-rw-r--r--src/mesa/drivers/common/meta.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 887118b9417..fa78674e4eb 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -2836,119 +2836,6 @@ get_temp_image_type(struct gl_context *ctx, GLenum baseFormat)
/**
- * Helper for _mesa_meta_CopyTexImage1/2D() functions.
- * Have to be careful with locking and meta state for pixel transfer.
- */
-static void
-copy_tex_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
- GLenum internalFormat, GLint x, GLint y,
- GLsizei width, GLsizei height, GLint border)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLenum format, type;
- GLint bpp;
- void *buf;
- struct gl_renderbuffer *read_rb = ctx->ReadBuffer->_ColorReadBuffer;
-
- texObj = _mesa_get_current_tex_object(ctx, target);
- texImage = _mesa_get_tex_image(ctx, texObj, target, level);
-
- /* Choose format/type for temporary image buffer */
- format = _mesa_base_tex_format(ctx, internalFormat);
-
- if (format == GL_LUMINANCE &&
- _mesa_get_format_base_format(read_rb->Format) != GL_LUMINANCE) {
- /* The glReadPixels() path will convert RGB to luminance by
- * summing R+G+B. glCopyTexImage() is supposed to behave as
- * glCopyPixels, which doesn't do that change, and instead
- * leaves it up to glTexImage which converts RGB to luminance by
- * just taking the R channel. To avoid glReadPixels() trashing
- * our data, use RGBA for our temporary image.
- */
- format = GL_RGBA;
- }
-
- type = get_temp_image_type(ctx, format);
- bpp = _mesa_bytes_per_pixel(format, type);
- if (bpp <= 0) {
- _mesa_problem(ctx, "Bad bpp in meta copy_tex_image()");
- return;
- }
-
- /*
- * Alloc image buffer (XXX could use a PBO)
- */
- buf = malloc(width * height * bpp);
- if (!buf) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
- return;
- }
-
- _mesa_unlock_texture(ctx, texObj); /* need to unlock first */
-
- /*
- * Read image from framebuffer (disable pixel transfer ops)
- */
- _mesa_meta_begin(ctx, META_PIXEL_STORE | META_PIXEL_TRANSFER);
- ctx->Driver.ReadPixels(ctx, x, y, width, height,
- format, type, &ctx->Pack, buf);
- _mesa_meta_end(ctx);
-
- if (texImage->Data) {
- ctx->Driver.FreeTexImageData(ctx, texImage);
- }
-
- /* The texture's format was already chosen in _mesa_CopyTexImage() */
- ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
-
- /*
- * Store texture data (with pixel transfer ops)
- */
- _mesa_meta_begin(ctx, META_PIXEL_STORE);
-
- _mesa_update_state(ctx); /* to update pixel transfer state */
-
- if (target == GL_TEXTURE_1D) {
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border, format, type,
- buf, &ctx->Unpack, texObj, texImage);
- }
- else {
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border, format, type,
- buf, &ctx->Unpack, texObj, texImage);
- }
- _mesa_meta_end(ctx);
-
- _mesa_lock_texture(ctx, texObj); /* re-lock */
-
- free(buf);
-}
-
-
-void
-_mesa_meta_CopyTexImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLenum internalFormat, GLint x, GLint y,
- GLsizei width, GLint border)
-{
- copy_tex_image(ctx, 1, target, level, internalFormat, x, y,
- width, 1, border);
-}
-
-
-void
-_mesa_meta_CopyTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLenum internalFormat, GLint x, GLint y,
- GLsizei width, GLsizei height, GLint border)
-{
- copy_tex_image(ctx, 2, target, level, internalFormat, x, y,
- width, height, border);
-}
-
-
-
-/**
* Helper for _mesa_meta_CopyTexSubImage1/2/3D() functions.
* Have to be careful with locking and meta state for pixel transfer.
*/