| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #include "chromium.h"
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| 8 | #include "cr_error.h"
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| 9 | #include "cr_mem.h"
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| 10 | #include "cr_pixeldata.h"
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| 11 | #include "server_dispatch.h"
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| 12 | #include "server.h"
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| 13 |
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| 14 | void SERVER_DISPATCH_APIENTRY
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| 15 | crServerDispatchGetTexImage(GLenum target, GLint level, GLenum format,
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| 16 | GLenum type, GLvoid * pixels)
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| 17 | {
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| 18 | GLsizei width, height, depth, size;
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| 19 | GLvoid *buffer = NULL;
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| 20 |
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| 21 | cr_server.head_spu->dispatch_table.GetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
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| 22 | cr_server.head_spu->dispatch_table.GetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height);
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| 23 | cr_server.head_spu->dispatch_table.GetTexLevelParameteriv(target, level, GL_TEXTURE_DEPTH, &depth);
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| 24 |
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| 25 | size = crTextureSize(format, type, width, height, depth);
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| 26 |
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| 27 | if (size && (buffer = crAlloc(size))) {
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| 28 | /* Note, the other pixel PACK parameters (default values) should
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| 29 | * be OK at this point.
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| 30 | */
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| 31 | cr_server.head_spu->dispatch_table.PixelStorei(GL_PACK_ALIGNMENT, 1);
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| 32 | cr_server.head_spu->dispatch_table.GetTexImage(target, level, format,
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| 33 | type, buffer);
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| 34 | crServerReturnValue( buffer, size );
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| 35 | crFree(buffer);
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| 36 | }
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| 37 | else {
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| 38 | /* need to return _something_ to avoid blowing up */
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| 39 | GLuint dummy = 0;
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| 40 | crServerReturnValue( (GLvoid *) &dummy, sizeof(dummy) );
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| 41 | }
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| 42 | }
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| 43 |
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| 44 |
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| 45 | #if CR_ARB_texture_compression
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| 46 |
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| 47 | void SERVER_DISPATCH_APIENTRY
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| 48 | crServerDispatchGetCompressedTexImageARB(GLenum target, GLint level,
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| 49 | GLvoid *img)
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| 50 | {
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| 51 | GLint size;
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| 52 | GLvoid *buffer=NULL;
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| 53 |
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| 54 | cr_server.head_spu->dispatch_table.GetTexLevelParameteriv(target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &size);
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| 55 |
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| 56 | if (size && (buffer = crAlloc(size))) {
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| 57 | /* XXX the pixel PACK parameter should be OK at this point */
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| 58 | cr_server.head_spu->dispatch_table.GetCompressedTexImageARB(target, level,
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| 59 | buffer);
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| 60 | crServerReturnValue( buffer, size );
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| 61 | crFree(buffer);
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| 62 | }
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| 63 | else {
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| 64 | /* need to return _something_ to avoid blowing up */
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| 65 | GLuint dummy = 0;
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| 66 | crServerReturnValue( (GLvoid *) &dummy, sizeof(dummy) );
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | #endif /* CR_ARB_texture_compression */
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