diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/extensions.c | 1 | ||||
| -rw-r--r-- | src/mesa/main/fog.c | 14 | ||||
| -rw-r--r-- | src/mesa/main/get.c | 5 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 2 |
4 files changed, 22 insertions, 0 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index b0fe4c34702..7a9fce8ff6b 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -287,6 +287,7 @@ static const struct extension extension_table[] = { { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL, 2001 }, { "GL_NV_draw_buffers", o(dummy_true), ES2, 2011 }, { "GL_NV_fbo_color_attachments", o(EXT_framebuffer_object), ES2, 2010 }, + { "GL_NV_fog_distance", o(NV_fog_distance), GL, 2001 }, { "GL_NV_fragment_program", o(NV_fragment_program), GL, 2001 }, { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GL, 2005 }, { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GL, 1999 }, diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c index 88aa31a7fcb..d65add9302d 100644 --- a/src/mesa/main/fog.c +++ b/src/mesa/main/fog.c @@ -172,6 +172,19 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params ) ctx->Fog.FogCoordinateSource = p; break; } + case GL_FOG_DISTANCE_MODE_NV: { + GLenum p = (GLenum) (GLint) *params; + if (!ctx->Extensions.NV_fog_distance || + (p != GL_EYE_RADIAL_NV && p != GL_EYE_PLANE && p != GL_EYE_PLANE_ABSOLUTE_NV)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glFog"); + return; + } + if (ctx->Fog.FogDistanceMode == p) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.FogDistanceMode = p; + break; + } default: _mesa_error( ctx, GL_INVALID_ENUM, "glFog" ); return; @@ -201,4 +214,5 @@ void _mesa_init_fog( struct gl_context * ctx ) ctx->Fog.ColorSumEnabled = GL_FALSE; ctx->Fog.FogCoordinateSource = GL_FRAGMENT_DEPTH_EXT; ctx->Fog._Scale = 1.0f; + ctx->Fog.FogDistanceMode = GL_EYE_PLANE_ABSOLUTE_NV; } diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index 3c388e56e89..8925b75ebee 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -295,6 +295,7 @@ EXTRA_EXT(MESA_texture_array); EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program); EXTRA_EXT(EXT_secondary_color); EXTRA_EXT(EXT_fog_coord); +EXTRA_EXT(NV_fog_distance); EXTRA_EXT(EXT_texture_filter_anisotropic); EXTRA_EXT(IBM_rasterpos_clip); EXTRA_EXT(NV_point_sprite); @@ -972,6 +973,10 @@ static const struct value_desc values[] = { { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource), extra_EXT_fog_coord }, + /* GL_NV_fog_distance */ + { GL_FOG_DISTANCE_MODE_NV, CONTEXT_ENUM(Fog.FogDistanceMode), + extra_NV_fog_distance }, + /* GL_IBM_rasterpos_clip */ { GL_RASTER_POSITION_UNCLIPPED_IBM, CONTEXT_BOOL(Transform.RasterPositionUnclipped), diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 652bad5add3..3f3bc4e999b 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -884,6 +884,7 @@ struct gl_fog_attrib GLboolean ColorSumEnabled; GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */ GLfloat _Scale; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */ + GLenum FogDistanceMode; /**< GL_NV_fog_distance */ }; @@ -2902,6 +2903,7 @@ struct gl_extensions GLboolean MESA_texture_array; GLboolean NV_blend_square; GLboolean NV_conditional_render; + GLboolean NV_fog_distance; GLboolean NV_fragment_program; GLboolean NV_fragment_program_option; GLboolean NV_light_max_exponent; |