diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/points.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/points.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/points.c b/nx-X11/extras/Mesa/src/mesa/main/points.c deleted file mode 100644 index aa36fb628..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/points.c +++ /dev/null @@ -1,294 +0,0 @@ -/** - * \file points.c - * Point operations. - */ - -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#include "glheader.h" -#include "context.h" -#include "macros.h" -#include "points.h" -#include "texstate.h" -#include "mtypes.h" - - -/** - * Set current point size. - * \param size point diameter in pixels - * \sa glPointSize(). - */ -void GLAPIENTRY -_mesa_PointSize( GLfloat size ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (size <= 0.0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glPointSize" ); - return; - } - - if (ctx->Point.Size == size) - return; - - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.Size = size; - - if (ctx->Driver.PointSize) - ctx->Driver.PointSize(ctx, size); -} - - -#if _HAVE_FULL_GL - -/* - * Added by GL_NV_point_sprite - */ -void GLAPIENTRY -_mesa_PointParameteriNV( GLenum pname, GLint param ) -{ - const GLfloat value = (GLfloat) param; - _mesa_PointParameterfvEXT(pname, &value); -} - - -/* - * Added by GL_NV_point_sprite - */ -void GLAPIENTRY -_mesa_PointParameterivNV( GLenum pname, const GLint *params ) -{ - const GLfloat value = (GLfloat) params[0]; - _mesa_PointParameterfvEXT(pname, &value); -} - - - -/* - * Same for both GL_EXT_point_parameters and GL_ARB_point_parameters. - */ -void GLAPIENTRY -_mesa_PointParameterfEXT( GLenum pname, GLfloat param) -{ - _mesa_PointParameterfvEXT(pname, ¶m); -} - - - -/* - * Same for both GL_EXT_point_parameters and GL_ARB_point_parameters. - */ -void GLAPIENTRY -_mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (pname) { - case GL_DISTANCE_ATTENUATION_EXT: - if (ctx->Extensions.EXT_point_parameters) { - if (TEST_EQ_3V(ctx->Point.Params, params)) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - COPY_3V(ctx->Point.Params, params); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - case GL_POINT_SIZE_MIN_EXT: - if (ctx->Extensions.EXT_point_parameters) { - if (params[0] < 0.0F) { - _mesa_error( ctx, GL_INVALID_VALUE, - "glPointParameterf[v]{EXT,ARB}(param)" ); - return; - } - if (ctx->Point.MinSize == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.MinSize = params[0]; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - case GL_POINT_SIZE_MAX_EXT: - if (ctx->Extensions.EXT_point_parameters) { - if (params[0] < 0.0F) { - _mesa_error( ctx, GL_INVALID_VALUE, - "glPointParameterf[v]{EXT,ARB}(param)" ); - return; - } - if (ctx->Point.MaxSize == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.MaxSize = params[0]; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - case GL_POINT_FADE_THRESHOLD_SIZE_EXT: - if (ctx->Extensions.EXT_point_parameters) { - if (params[0] < 0.0F) { - _mesa_error( ctx, GL_INVALID_VALUE, - "glPointParameterf[v]{EXT,ARB}(param)" ); - return; - } - if (ctx->Point.Threshold == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.Threshold = params[0]; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - case GL_POINT_SPRITE_R_MODE_NV: - /* This is one area where ARB_point_sprite and NV_point_sprite - * differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is - * always ZERO. NV_point_sprite adds the S and R modes. - */ - if (ctx->Extensions.NV_point_sprite) { - GLenum value = (GLenum) params[0]; - if (value != GL_ZERO && value != GL_S && value != GL_R) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glPointParameterf[v]{EXT,ARB}(param)"); - return; - } - if (ctx->Point.SpriteRMode == value) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.SpriteRMode = value; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - case GL_POINT_SPRITE_COORD_ORIGIN: - if (ctx->Extensions.ARB_point_sprite) { - GLenum value = (GLenum) params[0]; - if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glPointParameterf[v]{EXT,ARB}(param)"); - return; - } - if (ctx->Point.SpriteOrigin == value) - return; - FLUSH_VERTICES(ctx, _NEW_POINT); - ctx->Point.SpriteOrigin = value; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)"); - return; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, - "glPointParameterf[v]{EXT,ARB}(pname)" ); - return; - } - - if (ctx->Driver.PointParameterfv) - (*ctx->Driver.PointParameterfv)(ctx, pname, params); -} -#endif - - - -/** - * Update derived point-related state. - */ -void -_mesa_update_point(GLcontext *ctx) -{ - /* clamp to user-specified limits now, clamp to ctx->Const.Min/Max - * limits during rasterization. - */ - ctx->Point._Size = CLAMP(ctx->Point.Size, - ctx->Point.MinSize, - ctx->Point.MaxSize); - - if (ctx->Point._Size == 1.0F) - ctx->_TriangleCaps &= ~DD_POINT_SIZE; - else - ctx->_TriangleCaps |= DD_POINT_SIZE; - - ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0 || - ctx->Point.Params[1] != 0.0 || - ctx->Point.Params[2] != 0.0); - - if (ctx->Point._Attenuated) - ctx->_TriangleCaps |= DD_POINT_ATTEN; - else - ctx->_TriangleCaps &= ~DD_POINT_ATTEN; -} - - - -/** - * Initialize the context point state. - * - * \param ctx GL context. - * - * Initializes __GLcontextRec::Point and point related constants in - * __GLcontextRec::Const. - */ -void -_mesa_init_point(GLcontext *ctx) -{ - GLuint i; - - ctx->Point.SmoothFlag = GL_FALSE; - ctx->Point.Size = 1.0; - ctx->Point._Size = 1.0; - ctx->Point.Params[0] = 1.0; - ctx->Point.Params[1] = 0.0; - ctx->Point.Params[2] = 0.0; - ctx->Point._Attenuated = GL_FALSE; - ctx->Point.MinSize = 0.0; - ctx->Point.MaxSize - = MAX2(ctx->Const.MaxPointSize, ctx->Const.MaxPointSizeAA); - ctx->Point.Threshold = 1.0; - ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */ - ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */ - ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */ - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { - ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB/NV_point_sprite */ - } -} |