| /* |
| * (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); |
| } |
| } |
