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source: vbox/trunk/src/VBox/GuestHost/OpenGL/include/state/cr_limits.h@ 44125

Last change on this file since 44125 was 40124, checked in by vboxsync, 13 years ago

crOpenGL: add some extensions required for wined3d+wddm
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1/* Copyright (c) 2001, Stanford University
2 * All rights reserved.
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#ifndef CR_LIMITS_H
8#define CR_LIMITS_H
9
10#include "chromium.h"
11#include "cr_version.h"
12
13#include <iprt/cdefs.h>
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19
20/* glGetString strings */
21#define CR_RENDERER "Chromium"
22#define CR_VENDOR "Humper"
23
24
25#define CR_MAX_TEXTURE_UNITS 8
26#define CR_MAX_GENERAL_COMBINERS 8
27#define CR_MAX_TEXTURE_SIZE 8192
28#define CR_MAX_3D_TEXTURE_SIZE 512
29#define CR_MAX_CUBE_TEXTURE_SIZE 4096
30#define CR_MAX_RECTANGLE_TEXTURE_SIZE 4096
31#define CR_MAX_TEXTURE_ANISOTROPY 8.0
32#define CR_MAX_LIGHTS 8
33#define CR_MAX_CLIP_PLANES 8
34#define CR_MAX_PROJECTION_STACK_DEPTH 32
35#define CR_MAX_MODELVIEW_STACK_DEPTH 32
36#define CR_MAX_TEXTURE_STACK_DEPTH 10
37#define CR_MAX_COLOR_STACK_DEPTH 2
38#define CR_MAX_ATTRIB_STACK_DEPTH 16
39#define CR_MAX_CLIENT_ATTRIB_STACK_DEPTH 16
40#define CR_MAX_NAME_STACK_DEPTH 64
41#define CR_MAX_ELEMENTS_INDICES 16384
42#define CR_MAX_ELEMENTS_VERTICES 16384
43#define CR_MAX_EVAL_ORDER 8
44#define CR_MAX_LIST_NESTING 64
45#define CR_MAX_PIXEL_MAP_TABLE 256
46#define CR_MAX_VIEWPORT_DIM 16384
47#define CR_SUBPIXEL_BITS 8
48#define CR_ALIASED_POINT_SIZE_MIN 1.0
49#define CR_ALIASED_POINT_SIZE_MAX 64.0
50#define CR_SMOOTH_POINT_SIZE_MIN 1.0
51#define CR_SMOOTH_POINT_SIZE_MAX 64.0
52#define CR_POINT_SIZE_GRANULARITY 0.5
53#define CR_ALIASED_LINE_WIDTH_MIN 1.0
54#define CR_ALIASED_LINE_WIDTH_MAX 64.0
55#define CR_SMOOTH_LINE_WIDTH_MIN 1.0
56#define CR_SMOOTH_LINE_WIDTH_MAX 64.0
57#define CR_LINE_WIDTH_GRANULARITY 0.5
58#define CR_MAX_VERTEX_ATTRIBS 16
59#define CR_MAX_TEXTURE_LOD_BIAS 8.0
60#ifdef CR_NV_fragment_program
61#define CR_MAX_TEXTURE_COORDS 2
62#define CR_MAX_TEXTURE_IMAGE_UNITS 2
63#define CR_MAX_FRAGMENT_LOCAL_PARAMS 64
64#endif
65#ifdef CR_NV_vertex_program
66#define CR_MAX_PROGRAM_MATRICES 8
67#define CR_MAX_PROGRAM_MATRIX_STACK_DEPTH 4
68#endif
69#ifdef CR_ARB_fragment_program
70#define CR_MAX_FRAGMENT_PROGRAM_INSTRUCTIONS 72
71#define CR_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMS 24
72#define CR_MAX_FRAGMENT_PROGRAM_ENV_PARAMS 256
73#define CR_MAX_FRAGMENT_PROGRAM_TEMPS 16
74#define CR_MAX_FRAGMENT_PROGRAM_ATTRIBS 10
75#define CR_MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1
76#define CR_MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
77#define CR_MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
78#define CR_MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS 4
79#endif
80#ifdef CR_ARB_vertex_program
81#define CR_MAX_VERTEX_PROGRAM_INSTRUCTIONS 128
82#define CR_MAX_VERTEX_PROGRAM_LOCAL_PARAMS 96
83#define CR_MAX_VERTEX_PROGRAM_ENV_PARAMS 256 /* for GL_NV_vertex_program2 */
84#define CR_MAX_VERTEX_PROGRAM_TEMPS 12
85#define CR_MAX_VERTEX_PROGRAM_ATTRIBS 16
86#define CR_MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
87#endif
88
89#if defined(CR_ARB_vertex_program) || defined(CR_ARB_fragment_program)
90/* These must be the max of the fragment and vertex program limits */
91#define CR_MAX_PROGRAM_LOCAL_PARAMS (CR_MAX_VERTEX_PROGRAM_LOCAL_PARAMS > CR_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMS ? CR_MAX_VERTEX_PROGRAM_LOCAL_PARAMS : CR_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMS)
92
93#define CR_MAX_PROGRAM_ENV_PARAMS (CR_MAX_VERTEX_PROGRAM_ENV_PARAMS > CR_MAX_FRAGMENT_PROGRAM_ENV_PARAMS ? CR_MAX_VERTEX_PROGRAM_ENV_PARAMS : CR_MAX_FRAGMENT_PROGRAM_ENV_PARAMS)
94#endif
95
96
97/* Just need these for autogenerated code in state_get.c, etc */
98#if defined(CR_ARB_vertex_program) || defined(CR_NV_vertex_program)
99#define CR_any_vertex_program 1
100#endif
101
102#if defined(CR_ARB_fragment_program) || defined(CR_NV_fragment_program)
103#define CR_any_fragment_program 1
104#endif
105
106#if defined(CR_any_vertex_program) || defined(CR_any_fragment_program)
107#define CR_any_program 1
108#endif
109
110
111
112/*
113 * OpenGL's implementation-dependent values (not part of any attribute group).
114 */
115typedef struct {
116 GLuint maxTextureUnits;
117 GLuint maxTextureSize;
118 GLuint max3DTextureSize; /* OpenGL 1.2 */
119#ifdef CR_ARB_texture_cube_map
120 GLuint maxCubeMapTextureSize;
121#endif
122 GLuint maxLights;
123 GLuint maxClipPlanes;
124 GLuint maxProjectionStackDepth;
125 GLuint maxModelviewStackDepth;
126 GLuint maxTextureStackDepth;
127 GLuint maxColorStackDepth; /* OpenGL 1.2 */
128 GLuint maxAttribStackDepth;
129 GLuint maxClientAttribStackDepth;
130 GLuint maxNameStackDepth;
131 GLuint maxElementsIndices;
132 GLuint maxElementsVertices;
133 GLuint maxEvalOrder;
134 GLuint maxListNesting;
135 GLuint maxPixelMapTable;
136 GLint maxViewportDims[2];
137 GLuint subpixelBits;
138 GLfloat aliasedPointSizeRange[2];
139 GLfloat smoothPointSizeRange[2];
140 GLfloat pointSizeGranularity;
141 GLfloat aliasedLineWidthRange[2];
142 GLfloat smoothLineWidthRange[2];
143 GLfloat lineWidthGranularity;
144#ifdef CR_EXT_texture_lod_bias
145 GLfloat maxTextureLodBias;
146#endif
147#ifdef CR_EXT_texture_filter_anisotropic
148 GLfloat maxTextureAnisotropy;
149#endif
150#ifdef CR_ARB_texture_compression
151 GLuint numCompressedFormats;
152 GLenum compressedFormats[10];
153#endif
154#ifdef CR_NV_register_combiners
155 GLuint maxGeneralCombiners;
156#endif
157#ifdef CR_NV_texture_rectangle
158 GLuint maxRectTextureSize;
159#endif
160#ifdef CR_NV_fragment_program
161 GLuint maxTextureCoords;
162 GLuint maxTextureImageUnits;
163 /*GLuint maxFragmentProgramLocalParams;*/
164#endif
165#ifdef CR_NV_vertex_program
166 GLuint maxProgramMatrixStackDepth;
167 GLuint maxProgramMatrices;
168#endif
169#ifdef CR_ARB_fragment_program
170 GLuint maxFragmentProgramInstructions;
171 GLuint maxFragmentProgramLocalParams;
172 GLuint maxFragmentProgramEnvParams;
173 GLuint maxFragmentProgramTemps;
174 GLuint maxFragmentProgramAttribs;
175 GLuint maxFragmentProgramAddressRegs;
176 GLuint maxFragmentProgramAluInstructions;
177 GLuint maxFragmentProgramTexInstructions;
178 GLuint maxFragmentProgramTexIndirections;
179#endif
180#ifdef CR_ARB_vertex_program
181 GLuint maxVertexProgramInstructions;
182 GLuint maxVertexProgramLocalParams;
183 GLuint maxVertexProgramEnvParams;
184 GLuint maxVertexProgramTemps;
185 GLuint maxVertexProgramAttribs;
186 GLuint maxVertexProgramAddressRegs;
187#endif
188 const GLubyte *extensions;
189
190 /* Framebuffer/visual attributes */
191 GLuint redBits, greenBits, blueBits, alphaBits;
192 GLuint depthBits, stencilBits, indexBits;
193 GLuint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
194 GLuint auxBuffers;
195 GLboolean rgbaMode;
196 GLboolean doubleBuffer;
197 GLboolean stereo;
198 GLuint sampleBuffers;
199 GLuint samples;
200 GLuint level;
201
202} CRLimitsState;
203
204
205/* Booleans to indicate which OpenGL extensions are supported at runtime.
206 * XXX might merge this into the above structure someday.
207 */
208typedef struct {
209 GLboolean ARB_depth_texture;
210 GLboolean ARB_fragment_program;
211 GLboolean ARB_imaging;
212 GLboolean ARB_multisample;
213 GLboolean ARB_multitexture;
214 GLboolean ARB_occlusion_query;
215 GLboolean ARB_point_parameters;
216 GLboolean ARB_point_sprite;
217 GLboolean ARB_shadow;
218 GLboolean ARB_shadow_ambient;
219 GLboolean ARB_texture_border_clamp; /* or SGIS_texture_border_clamp */
220 GLboolean ARB_texture_compression;
221 GLboolean ARB_texture_cube_map; /* or EXT_texture_cube_map */
222 GLboolean ARB_texture_env_add; /* standard in OpenGL 1.3 */
223 GLboolean ARB_texture_env_combine; /* standard in OpenGL 1.3 */
224 GLboolean ARB_texture_env_crossbar; /* standard in OpenGL 1.4 */
225 GLboolean ARB_texture_env_dot3; /* standard in OpenGL 1.3 */
226 GLboolean ARB_texture_mirrored_repeat;
227 GLboolean ARB_texture_non_power_of_two; /* standard in 1.5 */
228 GLboolean ARB_transpose_matrix;
229 GLboolean ARB_vertex_buffer_object;
230 GLboolean ARB_pixel_buffer_object;
231 GLboolean ARB_vertex_program;
232 GLboolean ARB_window_pos;
233 GLboolean EXT_blend_color;
234 GLboolean EXT_blend_logic_op;
235 GLboolean EXT_blend_func_separate;
236 GLboolean EXT_blend_minmax;
237 GLboolean EXT_blend_subtract;
238 GLboolean EXT_clip_volume_hint;
239 GLboolean EXT_fog_coord;
240 GLboolean EXT_multi_draw_arrays;
241 GLboolean EXT_secondary_color;
242 GLboolean EXT_separate_specular_color;
243 GLboolean EXT_shadow_funcs;
244 GLboolean EXT_stencil_wrap;
245 GLboolean EXT_texture_edge_clamp; /* or SGIS_texture_edge_clamp */
246 GLboolean EXT_texture_filter_anisotropic;
247 GLboolean EXT_texture_lod_bias;
248 GLboolean EXT_texture3D;
249 GLboolean IBM_rasterpos_clip;
250 GLboolean NV_fog_distance;
251 GLboolean NV_fragment_program;
252 GLboolean NV_register_combiners;
253 GLboolean NV_register_combiners2;
254 GLboolean NV_texgen_reflection;
255 GLboolean NV_texture_rectangle;
256 GLboolean NV_vertex_program;
257 GLboolean NV_vertex_program1_1;
258 GLboolean NV_vertex_program2;
259 GLboolean SGIS_generate_mipmap;
260 GLboolean EXT_texture_from_pixmap;
261 GLboolean ATI_texture_mirror_once;
262
263 /* derived from above */
264 GLboolean any_vertex_program; /* NV or ARB */
265 GLboolean any_fragment_program; /* NV or ARB */
266 GLboolean any_program; /* vertex or fragment */
267} CRExtensionState;
268
269extern DECLEXPORT(void) crStateLimitsInit(CRLimitsState *limits);
270extern DECLEXPORT(void) crStateLimitsDestroy(CRLimitsState *limits);
271
272extern DECLEXPORT(void) crStateLimitsPrint(const CRLimitsState *limits);
273
274extern DECLEXPORT(GLfloat) crStateComputeVersion(float minVersion);
275
276extern DECLEXPORT(GLubyte *) crStateMergeExtensions(GLuint n, const GLubyte **extensions);
277
278extern DECLEXPORT(void) crStateExtensionsInit( CRLimitsState *limits, CRExtensionState *extensions );
279
280
281#ifdef __cplusplus
282}
283#endif
284
285#endif /* CR_STATE_FOG_H */
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