| 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 "unpacker.h"
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| 8 | #include "cr_error.h"
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| 9 |
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| 10 | void crUnpackDrawPixels( void )
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| 11 | {
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| 12 | GLsizei width = READ_DATA( sizeof( int ) + 0, GLsizei );
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| 13 | GLsizei height = READ_DATA( sizeof( int ) + 4, GLsizei );
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| 14 | GLenum format = READ_DATA( sizeof( int ) + 8, GLenum );
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| 15 | GLenum type = READ_DATA( sizeof( int ) + 12, GLenum );
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| 16 | GLvoid *pixels = DATA_POINTER( sizeof( int ) + 16, GLvoid );
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| 17 |
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| 18 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
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| 19 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
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| 20 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
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| 21 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
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| 22 |
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| 23 | cr_unpackDispatch.DrawPixels( width, height, format, type, pixels );
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| 24 |
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| 25 | INCR_VAR_PTR( );
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| 26 | }
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| 27 |
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| 28 | void crUnpackBitmap( void )
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| 29 | {
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| 30 | GLsizei width = READ_DATA( sizeof( int ) + 0, GLsizei );
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| 31 | GLsizei height = READ_DATA( sizeof( int ) + 4, GLsizei );
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| 32 | GLfloat xorig = READ_DATA( sizeof( int ) + 8, GLfloat );
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| 33 | GLfloat yorig = READ_DATA( sizeof( int ) + 12, GLfloat );
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| 34 | GLfloat xmove = READ_DATA( sizeof( int ) + 16, GLfloat );
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| 35 | GLfloat ymove = READ_DATA( sizeof( int ) + 20, GLfloat );
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| 36 | GLuint is_null = READ_DATA( sizeof( int ) + 24, GLuint );
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| 37 | GLubyte *bitmap = NULL;
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| 38 |
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| 39 | if ( !is_null )
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| 40 | {
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| 41 | bitmap = DATA_POINTER( sizeof(int) + 28, GLubyte );
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| 42 | }
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| 43 |
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| 44 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
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| 45 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
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| 46 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
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| 47 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
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| 48 |
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| 49 | cr_unpackDispatch.Bitmap( width, height, xorig, yorig, xmove, ymove, bitmap );
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| 50 |
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| 51 | INCR_VAR_PTR( );
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| 52 | }
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| 53 |
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| 54 | /*
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| 55 | * ZPixCR - compressed DrawPixels
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| 56 | */
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| 57 | void crUnpackExtendZPixCR( void )
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| 58 | {
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| 59 | GLsizei width = READ_DATA( 8, GLsizei );
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| 60 | GLsizei height = READ_DATA( 12, GLsizei );
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| 61 | GLenum format = READ_DATA( 16, GLenum );
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| 62 | GLenum type = READ_DATA( 20, GLenum );
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| 63 | GLenum ztype = READ_DATA( 24, GLenum );
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| 64 | GLint zparm = READ_DATA( 28, GLuint );
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| 65 | GLint length = READ_DATA( 32, GLint );
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| 66 | GLvoid *pixels = DATA_POINTER( 36, GLvoid );
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| 67 |
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| 68 | /*XXX JAG
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| 69 | crDebug("UnpackZPixCR: w = %d, h = %d, len = %d",
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| 70 | width, height, length);
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| 71 | */
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| 72 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
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| 73 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
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| 74 | cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
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| 75 | cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
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| 76 |
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| 77 | cr_unpackDispatch.ZPixCR( width, height, format, type, ztype, zparm, length, pixels );
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| 78 |
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| 79 | /* Don't call INCR_VAR_PTR(); - it's done in crUnpackExtend() */
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| 80 | }
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