📄 dlist.c
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n += InstSize[n[0].opcode];
break;
case OPCODE_BITMAP:
FREE( n[7].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_COLOR_TABLE:
FREE( n[6].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_COLOR_SUB_TABLE:
FREE( n[6].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_CONVOLUTION_FILTER_1D:
FREE( n[6].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_CONVOLUTION_FILTER_2D:
FREE( n[7].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_POLYGON_STIPPLE:
FREE( n[1].data );
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE1D:
FREE(n[8].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE2D:
FREE( n[9]. data );
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE3D:
FREE( n[10]. data );
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE1D:
FREE(n[7].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE2D:
FREE(n[9].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE3D:
FREE(n[11].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_1D:
FREE(n[7].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_2D:
FREE(n[8].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_3D:
FREE(n[9].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D:
FREE(n[7].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D:
FREE(n[9].data);
n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D:
FREE(n[11].data);
n += InstSize[n[0].opcode];
break;
#if FEATURE_NV_vertex_program
case OPCODE_LOAD_PROGRAM_NV:
FREE(n[4].data); /* program string */
n += InstSize[n[0].opcode];
break;
case OPCODE_REQUEST_RESIDENT_PROGRAMS_NV:
FREE(n[2].data); /* array of program ids */
n += InstSize[n[0].opcode];
break;
#endif
#if FEATURE_NV_fragment_program
case OPCODE_PROGRAM_NAMED_PARAMETER_NV:
FREE(n[3].data); /* parameter name */
n += InstSize[n[0].opcode];
break;
#endif
#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
case OPCODE_PROGRAM_STRING_ARB:
FREE(n[4].data); /* program string */
n += InstSize[n[0].opcode];
break;
#endif
case OPCODE_CONTINUE:
n = (Node *) n[1].next;
FREE( block );
block = n;
break;
case OPCODE_END_OF_LIST:
FREE( block );
done = GL_TRUE;
break;
default:
/* Most frequent case */
n += InstSize[n[0].opcode];
break;
}
}
}
FREE( dlist );
_mesa_HashRemove(ctx->Shared->DisplayList, list);
}
/*
* Translate the nth element of list from type to GLuint.
*/
static GLuint translate_id( GLsizei n, GLenum type, const GLvoid *list )
{
GLbyte *bptr;
GLubyte *ubptr;
GLshort *sptr;
GLushort *usptr;
GLint *iptr;
GLuint *uiptr;
GLfloat *fptr;
switch (type) {
case GL_BYTE:
bptr = (GLbyte *) list;
return (GLuint) *(bptr+n);
case GL_UNSIGNED_BYTE:
ubptr = (GLubyte *) list;
return (GLuint) *(ubptr+n);
case GL_SHORT:
sptr = (GLshort *) list;
return (GLuint) *(sptr+n);
case GL_UNSIGNED_SHORT:
usptr = (GLushort *) list;
return (GLuint) *(usptr+n);
case GL_INT:
iptr = (GLint *) list;
return (GLuint) *(iptr+n);
case GL_UNSIGNED_INT:
uiptr = (GLuint *) list;
return (GLuint) *(uiptr+n);
case GL_FLOAT:
fptr = (GLfloat *) list;
return (GLuint) *(fptr+n);
case GL_2_BYTES:
ubptr = ((GLubyte *) list) + 2*n;
return (GLuint) *ubptr * 256 + (GLuint) *(ubptr+1);
case GL_3_BYTES:
ubptr = ((GLubyte *) list) + 3*n;
return (GLuint) *ubptr * 65536
+ (GLuint) *(ubptr+1) * 256
+ (GLuint) *(ubptr+2);
case GL_4_BYTES:
ubptr = ((GLubyte *) list) + 4*n;
return (GLuint) *ubptr * 16777216
+ (GLuint) *(ubptr+1) * 65536
+ (GLuint) *(ubptr+2) * 256
+ (GLuint) *(ubptr+3);
default:
return 0;
}
}
/**********************************************************************/
/***** Public *****/
/**********************************************************************/
/**
* Do one-time initialiazations for display lists.
*/
void
_mesa_init_lists( void )
{
static int init_flag = 0;
if (init_flag==0) {
InstSize[OPCODE_ACCUM] = 3;
InstSize[OPCODE_ALPHA_FUNC] = 3;
InstSize[OPCODE_BIND_TEXTURE] = 3;
InstSize[OPCODE_BITMAP] = 8;
InstSize[OPCODE_BLEND_COLOR] = 5;
InstSize[OPCODE_BLEND_EQUATION] = 2;
InstSize[OPCODE_BLEND_EQUATION_SEPARATE] = 3;
InstSize[OPCODE_BLEND_FUNC_SEPARATE] = 5;
InstSize[OPCODE_CALL_LIST] = 2;
InstSize[OPCODE_CALL_LIST_OFFSET] = 3;
InstSize[OPCODE_CLEAR] = 2;
InstSize[OPCODE_CLEAR_ACCUM] = 5;
InstSize[OPCODE_CLEAR_COLOR] = 5;
InstSize[OPCODE_CLEAR_DEPTH] = 2;
InstSize[OPCODE_CLEAR_INDEX] = 2;
InstSize[OPCODE_CLEAR_STENCIL] = 2;
InstSize[OPCODE_CLIP_PLANE] = 6;
InstSize[OPCODE_COLOR_MASK] = 5;
InstSize[OPCODE_COLOR_MATERIAL] = 3;
InstSize[OPCODE_COLOR_TABLE] = 7;
InstSize[OPCODE_COLOR_TABLE_PARAMETER_FV] = 7;
InstSize[OPCODE_COLOR_TABLE_PARAMETER_IV] = 7;
InstSize[OPCODE_COLOR_SUB_TABLE] = 7;
InstSize[OPCODE_CONVOLUTION_FILTER_1D] = 7;
InstSize[OPCODE_CONVOLUTION_FILTER_2D] = 8;
InstSize[OPCODE_CONVOLUTION_PARAMETER_I] = 4;
InstSize[OPCODE_CONVOLUTION_PARAMETER_IV] = 7;
InstSize[OPCODE_CONVOLUTION_PARAMETER_F] = 4;
InstSize[OPCODE_CONVOLUTION_PARAMETER_FV] = 7;
InstSize[OPCODE_COPY_PIXELS] = 6;
InstSize[OPCODE_COPY_COLOR_SUB_TABLE] = 6;
InstSize[OPCODE_COPY_COLOR_TABLE] = 6;
InstSize[OPCODE_COPY_TEX_IMAGE1D] = 8;
InstSize[OPCODE_COPY_TEX_IMAGE2D] = 9;
InstSize[OPCODE_COPY_TEX_SUB_IMAGE1D] = 7;
InstSize[OPCODE_COPY_TEX_SUB_IMAGE2D] = 9;
InstSize[OPCODE_COPY_TEX_SUB_IMAGE3D] = 10;
InstSize[OPCODE_CULL_FACE] = 2;
InstSize[OPCODE_DEPTH_FUNC] = 2;
InstSize[OPCODE_DEPTH_MASK] = 2;
InstSize[OPCODE_DEPTH_RANGE] = 3;
InstSize[OPCODE_DISABLE] = 2;
InstSize[OPCODE_DRAW_BUFFER] = 2;
InstSize[OPCODE_DRAW_PIXELS] = 6;
InstSize[OPCODE_ENABLE] = 2;
InstSize[OPCODE_EVALMESH1] = 4;
InstSize[OPCODE_EVALMESH2] = 6;
InstSize[OPCODE_FOG] = 6;
InstSize[OPCODE_FRONT_FACE] = 2;
InstSize[OPCODE_FRUSTUM] = 7;
InstSize[OPCODE_HINT] = 3;
InstSize[OPCODE_HISTOGRAM] = 5;
InstSize[OPCODE_INDEX_MASK] = 2;
InstSize[OPCODE_INIT_NAMES] = 1;
InstSize[OPCODE_LIGHT] = 7;
InstSize[OPCODE_LIGHT_MODEL] = 6;
InstSize[OPCODE_LINE_STIPPLE] = 3;
InstSize[OPCODE_LINE_WIDTH] = 2;
InstSize[OPCODE_LIST_BASE] = 2;
InstSize[OPCODE_LOAD_IDENTITY] = 1;
InstSize[OPCODE_LOAD_MATRIX] = 17;
InstSize[OPCODE_LOAD_NAME] = 2;
InstSize[OPCODE_LOGIC_OP] = 2;
InstSize[OPCODE_MAP1] = 7;
InstSize[OPCODE_MAP2] = 11;
InstSize[OPCODE_MAPGRID1] = 4;
InstSize[OPCODE_MAPGRID2] = 7;
InstSize[OPCODE_MATRIX_MODE] = 2;
InstSize[OPCODE_MIN_MAX] = 4;
InstSize[OPCODE_MULT_MATRIX] = 17;
InstSize[OPCODE_ORTHO] = 7;
InstSize[OPCODE_PASSTHROUGH] = 2;
InstSize[OPCODE_PIXEL_MAP] = 4;
InstSize[OPCODE_PIXEL_TRANSFER] = 3;
InstSize[OPCODE_PIXEL_ZOOM] = 3;
InstSize[OPCODE_POINT_SIZE] = 2;
InstSize[OPCODE_POINT_PARAMETERS] = 5;
InstSize[OPCODE_POLYGON_MODE] = 3;
InstSize[OPCODE_POLYGON_STIPPLE] = 2;
InstSize[OPCODE_POLYGON_OFFSET] = 3;
InstSize[OPCODE_POP_ATTRIB] = 1;
InstSize[OPCODE_POP_MATRIX] = 1;
InstSize[OPCODE_POP_NAME] = 1;
InstSize[OPCODE_PRIORITIZE_TEXTURE] = 3;
InstSize[OPCODE_PUSH_ATTRIB] = 2;
InstSize[OPCODE_PUSH_MATRIX] = 1;
InstSize[OPCODE_PUSH_NAME] = 2;
InstSize[OPCODE_RASTER_POS] = 5;
InstSize[OPCODE_READ_BUFFER] = 2;
InstSize[OPCODE_RESET_HISTOGRAM] = 2;
InstSize[OPCODE_RESET_MIN_MAX] = 2;
InstSize[OPCODE_ROTATE] = 5;
InstSize[OPCODE_SCALE] = 4;
InstSize[OPCODE_SCISSOR] = 5;
InstSize[OPCODE_STENCIL_FUNC] = 4;
InstSize[OPCODE_STENCIL_MASK] = 2;
InstSize[OPCODE_STENCIL_OP] = 4;
InstSize[OPCODE_SHADE_MODEL] = 2;
InstSize[OPCODE_TEXENV] = 7;
InstSize[OPCODE_TEXGEN] = 7;
InstSize[OPCODE_TEXPARAMETER] = 7;
InstSize[OPCODE_TEX_IMAGE1D] = 9;
InstSize[OPCODE_TEX_IMAGE2D] = 10;
InstSize[OPCODE_TEX_IMAGE3D] = 11;
InstSize[OPCODE_TEX_SUB_IMAGE1D] = 8;
InstSize[OPCODE_TEX_SUB_IMAGE2D] = 10;
InstSize[OPCODE_TEX_SUB_IMAGE3D] = 12;
InstSize[OPCODE_TRANSLATE] = 4;
InstSize[OPCODE_VIEWPORT] = 5;
InstSize[OPCODE_WINDOW_POS] = 5;
InstSize[OPCODE_CONTINUE] = 2;
InstSize[OPCODE_ERROR] = 3;
InstSize[OPCODE_END_OF_LIST] = 1;
/* GL_SGIX/SGIS_pixel_texture */
InstSize[OPCODE_PIXEL_TEXGEN_SGIX] = 2;
InstSize[OPCODE_PIXEL_TEXGEN_PARAMETER_SGIS] = 3;
/* GL_ARB_texture_compression */
InstSize[OPCODE_COMPRESSED_TEX_IMAGE_1D] = 8;
InstSize[OPCODE_COMPRESSED_TEX_IMAGE_2D] = 9;
InstSize[OPCODE_COMPRESSED_TEX_IMAGE_3D] = 10;
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D] = 8;
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D] = 10;
InstSize[OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D] = 12;
/* GL_ARB_multisample */
InstSize[OPCODE_SAMPLE_COVERAGE] = 3;
/* GL_ARB_multitexture */
InstSize[OPCODE_ACTIVE_TEXTURE] = 2;
/* GL_ARB_window_pos */
InstSize[OPCODE_WINDOW_POS_ARB] = 4;
/* GL_NV_vertex_program */
InstSize[OPCODE_BIND_PROGRAM_NV] = 3;
InstSize[OPCODE_EXECUTE_PROGRAM_NV] = 7;
InstSize[OPCODE_REQUEST_RESIDENT_PROGRAMS_NV] = 2;
InstSize[OPCODE_LOAD_PROGRAM_NV] = 5;
InstSize[OPCODE_PROGRAM_PARAMETER4F_NV] = 7;
InstSize[OPCODE_TRACK_MATRIX_NV] = 5;
/* GL_NV_fragment_program */
InstSize[OPCODE_PROGRAM_LOCAL_PARAMETER_ARB] = 7;
InstSize[OPCODE_PROGRAM_NAMED_PARAMETER_NV] = 8;
/* GL_EXT_stencil_two_side */
InstSize[OPCODE_ACTIVE_STENCIL_FACE_EXT] = 2;
/* GL_EXT_depth_bounds_test */
InstSize[OPCODE_DEPTH_BOUNDS_EXT] = 3;
#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
InstSize[OPCODE_PROGRAM_STRING_ARB] = 5;
InstSize[OPCODE_PROGRAM_ENV_PARAMETER_ARB] = 7;
#endif
#if FEATURE_ARB_occlusion_query
InstSize[OPCODE_BEGIN_QUERY_ARB] = 3;
InstSize[OPCODE_END_QUERY_ARB] = 2;
#endif
InstSize[OPCODE_DRAW_BUFFERS_ARB] = 2 + MAX_DRAW_BUFFERS;
#if FEATURE_ATI_fragment_shader
InstSize[OPCODE_BIND_FRAGMENT_SHADER_ATI] = 2;
InstSize[OPCODE_SET_FRAGMENT_SHADER_CONSTANTS_ATI] = 6;
#endif
/* OpenGL 2.0 */
InstSize[OPCODE_STENCIL_FUNC_SEPARATE] = 5;
InstSize[OPCODE_STENCIL_MASK_SEPARATE] = 3;
InstSize[OPCODE_STENCIL_OP_SEPARATE] = 5;
InstSize[OPCODE_ATTR_1F_NV] = 3;
InstSize[OPCODE_ATTR_2F_NV] = 4;
InstSize[OPCODE_ATTR_3F_NV] = 5;
InstSize[OPCODE_ATTR_4F_NV] = 6;
InstSize[OPCODE_ATTR_1F_ARB] = 3;
InstSize[OPCODE_ATTR_2F_ARB] = 4;
InstSize[OPCODE_ATTR_3F_ARB] = 5;
InstSize[OPCODE_ATTR_4F_ARB] = 6;
InstSize[OPCODE_MATERIAL] = 7;
InstSize[OPCODE_INDEX] = 2;
InstSize[OPCODE_EDGEFLAG] = 2;
InstSize[OPCODE_BEGIN] = 2;
InstSize[OPCODE_END] = 1;
InstSize[OPCODE_RECTF] = 5;
InstSize[OPCODE_EVAL_C1] = 2;
InstSize[OPCODE_EVAL_C2] = 3;
InstSize[OPCODE_EVAL_P1] = 2;
InstSize[OPCODE_EVAL_P2] = 3;
}
init_flag = 1;
}
/**
* Wrapper for _mesa_unpack_image() that handles pixel buffer objects.
* \todo This won't suffice when the PBO is really in VRAM/GPU memory.
*/
static GLvoid *
unpack_image( GLuint dimensions, GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack )
{
if (unpack->BufferObj->Name == 0) {
/* no PBO */
return _mesa_unpack_image(dimensions, width, height, depth, format, type,
pixels, unpack);
}
else if (_mesa_validate_pbo_access(dimensions, unpack, width, height, depth,
format, type, pixels)) {
const GLubyte *src = ADD_POINTERS(unpack->BufferObj->Data, pixels);
return _mesa_unpack_image(dimensions, width, height, depth, format, type,
src, unpack);
}
/* bad access! */
return NULL;
}
/*
* Allocate space for a display list instruction.
* \param opcode - type of instruction
* argcount - size in bytes of data required.
* \return pointer to the usable data area (not including the internal
* opcode).
*/
void *
_mesa_alloc_instruction( GLcontext *ctx, int opcode, GLint sz )
{
Node *n, *newblock;
GLuint count = 1 + (sz + sizeof(Node) - 1) / sizeof(Node);
#ifdef DEBUG
if (opcode < (int) OPCODE_EXT_0) {
assert( count == InstSize[opcode] );
}
#endif
if (ctx->ListState.CurrentPos + count + 2 > BLOCK_SIZE) {
/* This block is full. Allocate a new block and chain to it */
n = ctx->ListState.CurrentBlock + ctx->ListState.CurrentPos;
n[0].opcode = OPCODE_CONTINUE;
newblock = (Node *) MALLOC( sizeof(Node) * BLOCK_SIZE );
if (!newblock) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "Building display list" );
return NULL;
}
n[1].next = (Node *) newblock;
ctx->ListState.CurrentBlock = newblock;
ctx->ListState.CurrentPos = 0;
}
n = ctx->ListState.CurrentBlock + ctx->ListState.CurrentPos;
ctx->ListState.CurrentPos += count;
n[0].opcode = (OpCode) opcode;
return (void *)&n[1];
}
/**
* This function allows modules and drivers to get their own opcodes
* for extending display list functionality.
* \param ctx the rendering context
* \param size number of bytes for storing the new display list command
* \param execute function to execute the new display list command
* \param destroy function to destroy the new display list command
* \param print function to print the new display list command
* \return the new opcode number or -1 if error
*/
GLint
_mesa_alloc_opcode( GLcontext *ctx,
GLuint size,
void (*execute)( GLcontext *, void * ),
void (*destroy)( GLcontext *, void * ),
void (*print)( GLcontext *, void * ) )
{
if (ctx->ListExt.NumOpcodes < MAX_DLIST_EXT_OPCODES) {
const GLuint i = ctx->ListExt.NumOpcodes++;
ctx->ListExt.Opcode[i].Size = 1 + (size + sizeof(Node) - 1)/sizeof(Node);
ctx->ListExt.Opcode[i].Execute = execute;
ctx->ListExt.Opcode[i].Destroy = destroy;
ctx->ListExt.Opcode[i].Print = print;
return i + OPCODE_EXT_0;
}
return -1;
}
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