get.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/***
 ***  NOTE!!!  DO NOT EDIT THIS FILE!!!  IT IS GENERATED BY get_gen.py
 ***/

#include "glheader.h"
#include "context.h"
#include "enable.h"
#include "extensions.h"
#include "fbobject.h"
#include "get.h"
#include "macros.h"
#include "mtypes.h"
#include "state.h"
#include "texcompress.h"


#define FLOAT_TO_BOOLEAN(X)   ( (X) ? GL_TRUE : GL_FALSE )

#define INT_TO_BOOLEAN(I)     ( (I) ? GL_TRUE : GL_FALSE )

#define ENUM_TO_BOOLEAN(E)    ( (E) ? GL_TRUE : GL_FALSE )
#define ENUM_TO_INT(E)        ( (GLint) (E) )
#define ENUM_TO_FLOAT(E)      ( (GLfloat) (E) )

#define BOOLEAN_TO_INT(B)     ( (GLint) (B) )
#define BOOLEAN_TO_FLOAT(B)   ( (B) ? 1.0F : 0.0F )


/* Check if named extension is enabled, if not generate error and return */

#define CHECK1(E1, str, PNAME)                         \
   if (!ctx->Extensions.E1) {                          \
      _mesa_error(ctx, GL_INVALID_VALUE,               \
                  "glGet" str "v(0x%x)", (int) PNAME); \
      return;                                          \
   }
    
#define CHECK2(E1, E2, str, PNAME)                     \
   if (!ctx->Extensions.E1 && !ctx->Extensions.E2) {   \
      _mesa_error(ctx, GL_INVALID_VALUE,               \
                  "glGet" str "v(0x%x)", (int) PNAME); \
      return;                                          \
   }
    
#define CHECK_EXTENSION_B(EXTNAME, PNAME)      \
   CHECK1(EXTNAME, "Boolean", PNAME )

#define CHECK_EXTENSION_I(EXTNAME, PNAME)      \
   CHECK1(EXTNAME, "Integer", PNAME )

#define CHECK_EXTENSION_F(EXTNAME, PNAME)      \
   CHECK1(EXTNAME, "Float", PNAME )


/**
 * Helper routine.
 */
static GLenum
pixel_texgen_mode(const GLcontext *ctx)
{
   if (ctx->Pixel.FragmentRgbSource == GL_CURRENT_RASTER_POSITION) {
      if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) {
         return GL_RGBA;
      }
      else {
         return GL_RGB;
      }
   }
   else {
      if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) {
         return GL_ALPHA;
      }
      else {
         return GL_NONE;
      }
   }
}

void GLAPIENTRY
_mesa_GetBooleanv( GLenum pname, GLboolean *params )
{
   GET_CURRENT_CONTEXT(ctx);
   ASSERT_OUTSIDE_BEGIN_END(ctx);

   if (!params)
      return;

   if (ctx->NewState)
      _mesa_update_state(ctx);

   if (ctx->Driver.GetBooleanv &&
       ctx->Driver.GetBooleanv(ctx, pname, params))
      return;

   switch (pname) {
      case GL_ACCUM_RED_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.accumRedBits);
         break;
      case GL_ACCUM_GREEN_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.accumGreenBits);
         break;
      case GL_ACCUM_BLUE_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.accumBlueBits);
         break;
      case GL_ACCUM_ALPHA_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.accumAlphaBits);
         break;
      case GL_ACCUM_CLEAR_VALUE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Accum.ClearColor[0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Accum.ClearColor[1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Accum.ClearColor[2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Accum.ClearColor[3]);
         break;
      case GL_ALPHA_BIAS:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.AlphaBias);
         break;
      case GL_ALPHA_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.alphaBits);
         break;
      case GL_ALPHA_SCALE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.AlphaScale);
         break;
      case GL_ALPHA_TEST:
         params[0] = ctx->Color.AlphaEnabled;
         break;
      case GL_ALPHA_TEST_FUNC:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.AlphaFunc);
         break;
      case GL_ALPHA_TEST_REF:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Color.AlphaRef);
         break;
      case GL_ATTRIB_STACK_DEPTH:
         params[0] = INT_TO_BOOLEAN(ctx->AttribStackDepth);
         break;
      case GL_AUTO_NORMAL:
         params[0] = ctx->Eval.AutoNormal;
         break;
      case GL_AUX_BUFFERS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.numAuxBuffers);
         break;
      case GL_BLEND:
         params[0] = ctx->Color.BlendEnabled;
         break;
      case GL_BLEND_DST:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendDstRGB);
         break;
      case GL_BLEND_SRC:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendSrcRGB);
         break;
      case GL_BLEND_SRC_RGB_EXT:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendSrcRGB);
         break;
      case GL_BLEND_DST_RGB_EXT:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendDstRGB);
         break;
      case GL_BLEND_SRC_ALPHA_EXT:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendSrcA);
         break;
      case GL_BLEND_DST_ALPHA_EXT:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendDstA);
         break;
      case GL_BLEND_EQUATION:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendEquationRGB );
         break;
      case GL_BLEND_EQUATION_ALPHA_EXT:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.BlendEquationA );
         break;
      case GL_BLEND_COLOR_EXT:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Color.BlendColor[0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Color.BlendColor[1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Color.BlendColor[2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Color.BlendColor[3]);
         break;
      case GL_BLUE_BIAS:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.BlueBias);
         break;
      case GL_BLUE_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.blueBits);
         break;
      case GL_BLUE_SCALE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.BlueScale);
         break;
      case GL_CLIENT_ATTRIB_STACK_DEPTH:
         params[0] = INT_TO_BOOLEAN(ctx->ClientAttribStackDepth);
         break;
      case GL_CLIP_PLANE0:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 0) & 1;
         break;
      case GL_CLIP_PLANE1:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 1) & 1;
         break;
      case GL_CLIP_PLANE2:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 2) & 1;
         break;
      case GL_CLIP_PLANE3:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 3) & 1;
         break;
      case GL_CLIP_PLANE4:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 4) & 1;
         break;
      case GL_CLIP_PLANE5:
         params[0] = (ctx->Transform.ClipPlanesEnabled >> 5) & 1;
         break;
      case GL_COLOR_CLEAR_VALUE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Color.ClearColor[0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Color.ClearColor[1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Color.ClearColor[2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Color.ClearColor[3]);
         break;
      case GL_COLOR_MATERIAL:
         params[0] = ctx->Light.ColorMaterialEnabled;
         break;
      case GL_COLOR_MATERIAL_FACE:
         params[0] = ENUM_TO_BOOLEAN(ctx->Light.ColorMaterialFace);
         break;
      case GL_COLOR_MATERIAL_PARAMETER:
         params[0] = ENUM_TO_BOOLEAN(ctx->Light.ColorMaterialMode);
         break;
      case GL_COLOR_WRITEMASK:
         params[0] = INT_TO_BOOLEAN(ctx->Color.ColorMask[RCOMP] ? 1 : 0);
         params[1] = INT_TO_BOOLEAN(ctx->Color.ColorMask[GCOMP] ? 1 : 0);
         params[2] = INT_TO_BOOLEAN(ctx->Color.ColorMask[BCOMP] ? 1 : 0);
         params[3] = INT_TO_BOOLEAN(ctx->Color.ColorMask[ACOMP] ? 1 : 0);
         break;
      case GL_CULL_FACE:
         params[0] = ctx->Polygon.CullFlag;
         break;
      case GL_CULL_FACE_MODE:
         params[0] = ENUM_TO_BOOLEAN(ctx->Polygon.CullFaceMode);
         break;
      case GL_CURRENT_COLOR:
         {
         FLUSH_CURRENT(ctx, 0);
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]);
         }
         break;
      case GL_CURRENT_INDEX:
         {
         FLUSH_CURRENT(ctx, 0);
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.Index);
         }
         break;
      case GL_CURRENT_NORMAL:
         {
         FLUSH_CURRENT(ctx, 0);
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]);
         }
         break;
      case GL_CURRENT_RASTER_COLOR:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.RasterColor[0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.RasterColor[1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.RasterColor[2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Current.RasterColor[3]);
         break;
      case GL_CURRENT_RASTER_DISTANCE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.RasterDistance);
         break;
      case GL_CURRENT_RASTER_INDEX:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.RasterIndex);
         break;
      case GL_CURRENT_RASTER_POSITION:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.RasterPos[0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.RasterPos[1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.RasterPos[2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Current.RasterPos[3]);
         break;
      case GL_CURRENT_RASTER_TEXTURE_COORDS:
         {
         const GLuint texUnit = ctx->Texture.CurrentUnit;
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.RasterTexCoords[texUnit][0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.RasterTexCoords[texUnit][1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.RasterTexCoords[texUnit][2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Current.RasterTexCoords[texUnit][3]);
         }
         break;
      case GL_CURRENT_RASTER_POSITION_VALID:
         params[0] = ctx->Current.RasterPosValid;
         break;
      case GL_CURRENT_TEXTURE_COORDS:
         {
         const GLuint texUnit = ctx->Texture.CurrentUnit;
         params[0] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]);
         params[2] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]);
         params[3] = FLOAT_TO_BOOLEAN(ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]);
         }
         break;
      case GL_DEPTH_BIAS:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.DepthBias);
         break;
      case GL_DEPTH_BITS:
         params[0] = INT_TO_BOOLEAN(ctx->DrawBuffer->Visual.depthBits);
         break;
      case GL_DEPTH_CLEAR_VALUE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Depth.Clear);
         break;
      case GL_DEPTH_FUNC:
         params[0] = ENUM_TO_BOOLEAN(ctx->Depth.Func);
         break;
      case GL_DEPTH_RANGE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Viewport.Near);
         params[1] = FLOAT_TO_BOOLEAN(ctx->Viewport.Far);
         break;
      case GL_DEPTH_SCALE:
         params[0] = FLOAT_TO_BOOLEAN(ctx->Pixel.DepthScale);
         break;
      case GL_DEPTH_TEST:
         params[0] = ctx->Depth.Test;
         break;
      case GL_DEPTH_WRITEMASK:
         params[0] = ctx->Depth.Mask;
         break;
      case GL_DITHER:
         params[0] = ctx->Color.DitherFlag;
         break;
      case GL_DOUBLEBUFFER:
         params[0] = ctx->DrawBuffer->Visual.doubleBufferMode;
         break;
      case GL_DRAW_BUFFER:
         params[0] = ENUM_TO_BOOLEAN(ctx->Color.DrawBuffer[0]);
         break;