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C++ UNCLAMPED_FLOAT_TO_UBYTE函数代码示例

本文整理汇总了C++中UNCLAMPED_FLOAT_TO_UBYTE函数的典型用法代码示例。如果您正苦于以下问题：C++ UNCLAMPED_FLOAT_TO_UBYTE函数的具体用法？C++ UNCLAMPED_FLOAT_TO_UBYTE怎么用？C++ UNCLAMPED_FLOAT_TO_UBYTE使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了UNCLAMPED_FLOAT_TO_UBYTE函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: clear_rgba_buffer_with_masking

/**
 * Clear the color buffer when glColorMask is in effect.
 */
static void
clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb)
{
   const GLint x = ctx->DrawBuffer->_Xmin;
   const GLint y = ctx->DrawBuffer->_Ymin;
   const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin;
   const GLint width  = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
   SWspan span;
   GLint i;

   ASSERT(ctx->Visual.rgbMode);
   ASSERT(rb->PutRow);

   /* Initialize color span with clear color */
   /* XXX optimize for clearcolor == black/zero (bzero) */
   INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_RGBA);
   span.array->ChanType = rb->DataType;
   if (span.array->ChanType == GL_UNSIGNED_BYTE) {
      GLubyte clearColor[4];
      UNCLAMPED_FLOAT_TO_UBYTE(clearColor[RCOMP], ctx->Color.ClearColor[0]);
      UNCLAMPED_FLOAT_TO_UBYTE(clearColor[GCOMP], ctx->Color.ClearColor[1]);
      UNCLAMPED_FLOAT_TO_UBYTE(clearColor[BCOMP], ctx->Color.ClearColor[2]);
      UNCLAMPED_FLOAT_TO_UBYTE(clearColor[ACOMP], ctx->Color.ClearColor[3]);
      for (i = 0; i < width; i++) {
         COPY_4UBV(span.array->rgba[i], clearColor);
      }
   }
   else if (span.array->ChanType == GL_UNSIGNED_SHORT) {
      GLushort clearColor[4];
      UNCLAMPED_FLOAT_TO_USHORT(clearColor[RCOMP], ctx->Color.ClearColor[0]);
      UNCLAMPED_FLOAT_TO_USHORT(clearColor[GCOMP], ctx->Color.ClearColor[1]);
      UNCLAMPED_FLOAT_TO_USHORT(clearColor[BCOMP], ctx->Color.ClearColor[2]);
      UNCLAMPED_FLOAT_TO_USHORT(clearColor[ACOMP], ctx->Color.ClearColor[3]);
      for (i = 0; i < width; i++) {
         COPY_4V(span.array->rgba[i], clearColor);
      }
   }
   else {
      ASSERT(span.array->ChanType == GL_FLOAT);
      for (i = 0; i < width; i++) {
         CLAMPED_FLOAT_TO_CHAN(span.array->rgba[i][0], ctx->Color.ClearColor[0]);
         CLAMPED_FLOAT_TO_CHAN(span.array->rgba[i][1], ctx->Color.ClearColor[1]);
         CLAMPED_FLOAT_TO_CHAN(span.array->rgba[i][2], ctx->Color.ClearColor[2]);
         CLAMPED_FLOAT_TO_CHAN(span.array->rgba[i][3], ctx->Color.ClearColor[3]);
      }
   }

   /* Note that masking will change the color values, but only the
    * channels for which the write mask is GL_FALSE.  The channels
    * which which are write-enabled won't get modified.
    */
   for (i = 0; i < height; i++) {
      span.x = x;
      span.y = y + i;
      _swrast_mask_rgba_span(ctx, rb, &span);
      /* write masked row */
      rb->PutRow(ctx, rb, width, x, y + i, span.array->rgba, NULL);
   }
}
开发者ID:Starlink，项目名称:mesa，代码行数:62，代码来源:s_buffers.c

示例2: radeon_Color4fv_ub

static void radeon_Color4fv_ub( const GLfloat *v )
{
   radeon_color_t *dest = vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  v[0] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, v[1] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  v[2] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->alpha, v[3] );
}
开发者ID:dikerex，项目名称:theqvd，代码行数:8，代码来源:radeon_vtxfmt_c.c

示例3: radeon_SecondaryColor3fEXT_ub

static void radeon_SecondaryColor3fEXT_ub( GLfloat r, GLfloat g, GLfloat b )
{
   radeon_color_t *dest = vb.specptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  r );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, g );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  b );
   dest->alpha = 255;
}
开发者ID:dikerex，项目名称:theqvd，代码行数:8，代码来源:radeon_vtxfmt_c.c

示例4: radeon_SecondaryColor3fvEXT_ub

static void radeon_SecondaryColor3fvEXT_ub( const GLfloat *v )
{
   radeon_color_t *dest = vb.specptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  v[0] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, v[1] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  v[2] );
   dest->alpha = 255;
}
开发者ID:dikerex，项目名称:theqvd，代码行数:8，代码来源:radeon_vtxfmt_c.c

示例5: insert_3ub_3f_bgr_2

static void insert_3ub_3f_bgr_2( const struct tnl_clipspace_attr *a, GLubyte *v, 
				 const GLfloat *in )
{
   (void) a;
   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
   v[0] = 0;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:8，代码来源:t_vertex.c

示例6: radeon_Color4f_ub

static void radeon_Color4f_ub( GLfloat r, GLfloat g, GLfloat b, GLfloat a )
{
   radeon_color_t *dest = vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,   r );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, g );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  b );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->alpha, a );
}
开发者ID:dikerex，项目名称:theqvd，代码行数:8，代码来源:radeon_vtxfmt_c.c

示例7: insert_3ub_3f_bgr_3

static inline void insert_3ub_3f_bgr_3( const struct tnl_clipspace_attr *a, GLubyte *v, 
				 const GLfloat *in )
{
   DEBUG_INSERT;
   (void) a;
   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
}
开发者ID:GYGit，项目名称:reactos，代码行数:9，代码来源:t_vertex_generic.c

示例8: insert_4ub_4f_abgr_2

static void insert_4ub_4f_abgr_2( const struct tnl_clipspace_attr *a, GLubyte *v, 
				const GLfloat *in )
{
   (void) a;
   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
   v[1] = 0x00;
   v[0] = 0xff;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:9，代码来源:t_vertex.c

示例9: insert_4ub_4f_argb_4

static void insert_4ub_4f_argb_4( const struct tnl_clipspace_attr *a, GLubyte *v, 
				const GLfloat *in )
{
   (void) a;
   UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
   UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:9，代码来源:t_vertex.c

示例10: r200_SecondaryColor3fvEXT_ub

static void r200_SecondaryColor3fvEXT_ub( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   r200_color_t *dest = rmesa->vb.specptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  v[0] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, v[1] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  v[2] );
   dest->alpha = 255;
}
开发者ID:DavidGriffith，项目名称:finx，代码行数:10，代码来源:r200_vtxfmt_c.c

示例11: radeon_Color3f_ub

static void radeon_Color3f_ub( GLfloat r, GLfloat g, GLfloat b )
{
   GET_CURRENT_CONTEXT(ctx);
   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
   radeon_color_t *dest = rmesa->vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,   r );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, g );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  b );
   dest->alpha = 255;
}
开发者ID:aosm，项目名称:X11，代码行数:10，代码来源:radeon_vtxfmt_c.c

示例12: r200_Color4f_ub

static void r200_Color4f_ub( GLfloat r, GLfloat g, GLfloat b, GLfloat a )
{
   GET_CURRENT_CONTEXT(ctx);
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   r200_color_t *dest = rmesa->vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,   r );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, g );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  b );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->alpha, a );
}
开发者ID:DavidGriffith，项目名称:finx，代码行数:10，代码来源:r200_vtxfmt_c.c

示例13: radeon_Color3fv_ub

static void radeon_Color3fv_ub( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
   radeon_color_t *dest = rmesa->vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,   v[0] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, v[1] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  v[2] );
   dest->alpha = 255;
}
开发者ID:aosm，项目名称:X11，代码行数:10，代码来源:radeon_vtxfmt_c.c

示例14: r200_SecondaryColor3fEXT_ub

static void r200_SecondaryColor3fEXT_ub( GLfloat r, GLfloat g, GLfloat b )
{
   GET_CURRENT_CONTEXT(ctx);
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   r200_color_t *dest = rmesa->vb.specptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  r );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, g );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  b );
   dest->alpha = 255;
}
开发者ID:DavidGriffith，项目名称:finx，代码行数:10，代码来源:r200_vtxfmt_c.c

示例15: r200_Color4fv_ub

static void r200_Color4fv_ub( const GLfloat *v )
{
   GET_CURRENT_CONTEXT(ctx);
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   r200_color_t *dest = rmesa->vb.colorptr;
   UNCLAMPED_FLOAT_TO_UBYTE( dest->red,	  v[0] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->green, v[1] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->blue,  v[2] );
   UNCLAMPED_FLOAT_TO_UBYTE( dest->alpha, v[3] );
}
开发者ID:DavidGriffith，项目名称:finx，代码行数:10，代码来源:r200_vtxfmt_c.c


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