diff options
Diffstat (limited to 'src/glx/indirect_texture_compression.c')
| -rw-r--r-- | src/glx/indirect_texture_compression.c | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/src/glx/indirect_texture_compression.c b/src/glx/indirect_texture_compression.c new file mode 100644 index 0000000000..fa927ebdf6 --- /dev/null +++ b/src/glx/indirect_texture_compression.c @@ -0,0 +1,343 @@ +/* + * (C) Copyright IBM Corporation 2004 + * 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 + * on 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 + * THE COPYRIGHT HOLDERS AND/OR THEIR 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. + */ + +/** + * \file glx_texture_compression.c + * Contains the routines required to implement GLX protocol for + * ARB_texture_compression and related extensions. + * + * \sa http://oss.sgi.com/projects/ogl-sample/registry/ARB/texture_compression.txt + * + * \author Ian Romanick <idr@us.ibm.com> + */ + +#include "packrender.h" +#include "packsingle.h" +#include "indirect.h" + +#include <assert.h> + + +void +__indirect_glGetCompressedTexImageARB(GLenum target, GLint level, + GLvoid * img) +{ + __GLX_SINGLE_DECLARE_VARIABLES(); + xGLXGetTexImageReply reply; + size_t image_bytes; + + __GLX_SINGLE_LOAD_VARIABLES(); + __GLX_SINGLE_BEGIN(X_GLsop_GetCompressedTexImage, 8); + __GLX_SINGLE_PUT_LONG(0, target); + __GLX_SINGLE_PUT_LONG(4, level); + __GLX_SINGLE_READ_XREPLY(); + + image_bytes = reply.width; + assert(image_bytes <= ((4 * reply.length) - 0)); + assert(image_bytes >= ((4 * reply.length) - 3)); + + if (image_bytes != 0) { + _XRead(dpy, (char *) img, image_bytes); + if (image_bytes < (4 * reply.length)) { + _XEatData(dpy, (4 * reply.length) - image_bytes); + } + } + + __GLX_SINGLE_END(); +} + + +/** + * Internal function used for \c glCompressedTexImage1D and + * \c glCompressedTexImage2D. + */ +static void +CompressedTexImage1D2D(GLenum target, GLint level, + GLenum internal_format, + GLsizei width, GLsizei height, + GLint border, GLsizei image_size, + const GLvoid * data, CARD32 rop) +{ + __GLX_DECLARE_VARIABLES(); + + __GLX_LOAD_VARIABLES(); + if (gc->currentDpy == NULL) { + return; + } + + if ((target == GL_PROXY_TEXTURE_1D) + || (target == GL_PROXY_TEXTURE_2D) + || (target == GL_PROXY_TEXTURE_CUBE_MAP)) { + compsize = 0; + } + else { + compsize = image_size; + } + + cmdlen = __GLX_PAD(__GLX_COMPRESSED_TEXIMAGE_CMD_HDR_SIZE + compsize); + if (cmdlen <= gc->maxSmallRenderCommandSize) { + __GLX_BEGIN_VARIABLE(rop, cmdlen); + __GLX_PUT_LONG(4, target); + __GLX_PUT_LONG(8, level); + __GLX_PUT_LONG(12, internal_format); + __GLX_PUT_LONG(16, width); + __GLX_PUT_LONG(20, height); + __GLX_PUT_LONG(24, border); + __GLX_PUT_LONG(28, image_size); + if (compsize != 0) { + __GLX_PUT_CHAR_ARRAY(__GLX_COMPRESSED_TEXIMAGE_CMD_HDR_SIZE, + data, image_size); + } + __GLX_END(cmdlen); + } + else { + assert(compsize != 0); + + __GLX_BEGIN_VARIABLE_LARGE(rop, cmdlen + 4); + __GLX_PUT_LONG(8, target); + __GLX_PUT_LONG(12, level); + __GLX_PUT_LONG(16, internal_format); + __GLX_PUT_LONG(20, width); + __GLX_PUT_LONG(24, height); + __GLX_PUT_LONG(28, border); + __GLX_PUT_LONG(32, image_size); + __glXSendLargeCommand(gc, gc->pc, + __GLX_COMPRESSED_TEXIMAGE_CMD_HDR_SIZE + 4, + data, image_size); + } +} + + +/** + * Internal function used for \c glCompressedTexSubImage1D and + * \c glCompressedTexSubImage2D. + */ +static void +CompressedTexSubImage1D2D(GLenum target, GLint level, + GLsizei xoffset, GLsizei yoffset, + GLsizei width, GLsizei height, + GLenum format, GLsizei image_size, + const GLvoid * data, CARD32 rop) +{ + __GLX_DECLARE_VARIABLES(); + + __GLX_LOAD_VARIABLES(); + if (gc->currentDpy == NULL) { + return; + } + + if (target == GL_PROXY_TEXTURE_3D) { + compsize = 0; + } + else { + compsize = image_size; + } + + cmdlen = __GLX_PAD(__GLX_COMPRESSED_TEXSUBIMAGE_CMD_HDR_SIZE + compsize); + if (cmdlen <= gc->maxSmallRenderCommandSize) { + __GLX_BEGIN_VARIABLE(rop, cmdlen); + __GLX_PUT_LONG(4, target); + __GLX_PUT_LONG(8, level); + __GLX_PUT_LONG(12, xoffset); + __GLX_PUT_LONG(16, yoffset); + __GLX_PUT_LONG(20, width); + __GLX_PUT_LONG(24, height); + __GLX_PUT_LONG(28, format); + __GLX_PUT_LONG(32, image_size); + if (compsize != 0) { + __GLX_PUT_CHAR_ARRAY(__GLX_COMPRESSED_TEXSUBIMAGE_CMD_HDR_SIZE, + data, image_size); + } + __GLX_END(cmdlen); + } + else { + assert(compsize != 0); + + __GLX_BEGIN_VARIABLE_LARGE(rop, cmdlen + 4); + __GLX_PUT_LONG(8, target); + __GLX_PUT_LONG(12, level); + __GLX_PUT_LONG(16, xoffset); + __GLX_PUT_LONG(20, yoffset); + __GLX_PUT_LONG(24, width); + __GLX_PUT_LONG(28, height); + __GLX_PUT_LONG(32, format); + __GLX_PUT_LONG(36, image_size); + __glXSendLargeCommand(gc, gc->pc, + __GLX_COMPRESSED_TEXSUBIMAGE_CMD_HDR_SIZE + 4, + data, image_size); + } +} + + +void +__indirect_glCompressedTexImage1DARB(GLenum target, GLint level, + GLenum internal_format, GLsizei width, + GLint border, GLsizei image_size, + const GLvoid * data) +{ + CompressedTexImage1D2D(target, level, internal_format, width, 0, + border, image_size, data, + X_GLrop_CompressedTexImage1D); +} + + +void +__indirect_glCompressedTexImage2DARB(GLenum target, GLint level, + GLenum internal_format, + GLsizei width, GLsizei height, + GLint border, GLsizei image_size, + const GLvoid * data) +{ + CompressedTexImage1D2D(target, level, internal_format, width, height, + border, image_size, data, + X_GLrop_CompressedTexImage2D); +} + + +void +__indirect_glCompressedTexImage3DARB(GLenum target, GLint level, + GLenum internal_format, + GLsizei width, GLsizei height, + GLsizei depth, GLint border, + GLsizei image_size, const GLvoid * data) +{ + __GLX_DECLARE_VARIABLES(); + + __GLX_LOAD_VARIABLES(); + if (gc->currentDpy == NULL) { + return; + } + + cmdlen = __GLX_PAD(__GLX_COMPRESSED_TEXIMAGE_3D_CMD_HDR_SIZE + image_size); + if (cmdlen <= gc->maxSmallRenderCommandSize) { + __GLX_BEGIN_VARIABLE(X_GLrop_CompressedTexImage3D, cmdlen); + __GLX_PUT_LONG(4, target); + __GLX_PUT_LONG(8, level); + __GLX_PUT_LONG(12, internal_format); + __GLX_PUT_LONG(16, width); + __GLX_PUT_LONG(20, height); + __GLX_PUT_LONG(24, depth); + __GLX_PUT_LONG(28, border); + __GLX_PUT_LONG(32, image_size); + if (image_size != 0) { + __GLX_PUT_CHAR_ARRAY(__GLX_COMPRESSED_TEXIMAGE_3D_CMD_HDR_SIZE, + data, image_size); + } + __GLX_END(cmdlen); + } + else { + __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_CompressedTexImage3D, cmdlen + 4); + __GLX_PUT_LONG(8, target); + __GLX_PUT_LONG(12, level); + __GLX_PUT_LONG(16, internal_format); + __GLX_PUT_LONG(20, width); + __GLX_PUT_LONG(24, height); + __GLX_PUT_LONG(28, depth); + __GLX_PUT_LONG(32, border); + __GLX_PUT_LONG(36, image_size); + __glXSendLargeCommand(gc, gc->pc, + __GLX_COMPRESSED_TEXIMAGE_3D_CMD_HDR_SIZE + 4, + data, image_size); + } +} + + +void +__indirect_glCompressedTexSubImage1DARB(GLenum target, GLint level, + GLint xoffset, + GLsizei width, + GLenum format, GLsizei image_size, + const GLvoid * data) +{ + CompressedTexSubImage1D2D(target, level, xoffset, 0, width, 0, + format, image_size, data, + X_GLrop_CompressedTexSubImage1D); +} + + +void +__indirect_glCompressedTexSubImage2DARB(GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLsizei image_size, + const GLvoid * data) +{ + CompressedTexSubImage1D2D(target, level, xoffset, yoffset, width, height, + format, image_size, data, + X_GLrop_CompressedTexSubImage2D); +} + + +void +__indirect_glCompressedTexSubImage3DARB(GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint zoffset, GLsizei width, + GLsizei height, GLsizei depth, + GLenum format, GLsizei image_size, + const GLvoid * data) +{ + __GLX_DECLARE_VARIABLES(); + + __GLX_LOAD_VARIABLES(); + if (gc->currentDpy == NULL) { + return; + } + + cmdlen = __GLX_PAD(__GLX_COMPRESSED_TEXSUBIMAGE_3D_CMD_HDR_SIZE + + image_size); + if (cmdlen <= gc->maxSmallRenderCommandSize) { + __GLX_BEGIN_VARIABLE(X_GLrop_CompressedTexSubImage3D, cmdlen); + __GLX_PUT_LONG(4, target); + __GLX_PUT_LONG(8, level); + __GLX_PUT_LONG(12, xoffset); + __GLX_PUT_LONG(16, yoffset); + __GLX_PUT_LONG(20, zoffset); + __GLX_PUT_LONG(24, width); + __GLX_PUT_LONG(28, height); + __GLX_PUT_LONG(32, depth); + __GLX_PUT_LONG(36, format); + __GLX_PUT_LONG(40, image_size); + if (image_size != 0) { + __GLX_PUT_CHAR_ARRAY(__GLX_COMPRESSED_TEXSUBIMAGE_3D_CMD_HDR_SIZE, + data, image_size); + } + __GLX_END(cmdlen); + } + else { + __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_CompressedTexSubImage3D, cmdlen + 4); + __GLX_PUT_LONG(8, target); + __GLX_PUT_LONG(12, level); + __GLX_PUT_LONG(16, xoffset); + __GLX_PUT_LONG(20, yoffset); + __GLX_PUT_LONG(24, zoffset); + __GLX_PUT_LONG(28, width); + __GLX_PUT_LONG(32, height); + __GLX_PUT_LONG(36, depth); + __GLX_PUT_LONG(40, format); + __GLX_PUT_LONG(44, image_size); + __glXSendLargeCommand(gc, gc->pc, + __GLX_COMPRESSED_TEXSUBIMAGE_3D_CMD_HDR_SIZE + 4, + data, image_size); + } +} |