diff options
author | Brian Paul <[email protected]> | 2011-07-21 08:46:02 -0600 |
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committer | Brian Paul <[email protected]> | 2011-07-21 08:46:02 -0600 |
commit | ecc6a26a3d602e8b649c441077e005dfeb77aff2 (patch) | |
tree | 30c9a2098a8eb92d6373c6cf2ba90e5fda0d1a00 /src/mesa/drivers/common/meta.c | |
parent | afc160e1c8f87d0a76e41f1100d528d8ab82ecc4 (diff) | |
parent | d5e32397762a3bd55fa69ad6332351512083f9c6 (diff) |
Merge branch 'remove-copyteximage-hook'
Diffstat (limited to 'src/mesa/drivers/common/meta.c')
-rw-r--r-- | src/mesa/drivers/common/meta.c | 113 |
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. */ |