xref: /external/mesa3d/src/mesa/main/es1_conversion.c

#include <stdbool.h>
#include "main/mfeatures.h"

#if FEATURE_ES1

#include "api_loopback.h"
#include "api_exec.h"
#include "blend.h"
#include "clear.h"
#include "clip.h"
#include "context.h"
#include "depth.h"
#include "fog.h"
#include "imports.h"
#include "light.h"
#include "lines.h"
#include "matrix.h"
#include "multisample.h"
#include "pixelstore.h"
#include "points.h"
#include "polygon.h"
#include "readpix.h"
#include "texenv.h"
#include "texgen.h"
#include "texobj.h"
#include "texparam.h"
#include "mtypes.h"
#include "viewport.h"
#include "main/drawtex.h"
#include "vbo/vbo.h"

#ifndef GL_APIENTRY
#define GL_APIENTRY GLAPIENTRY
#endif

#include "main/es1_conversion.h"

void GL_APIENTRY
_es_AlphaFuncx(GLenum func, GLclampx ref)
{
   _mesa_AlphaFunc(func, (GLclampf) (ref / 65536.0f));
}

void GL_APIENTRY
_es_ClearColorx(GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha)
{
   _mesa_ClearColor((GLclampf) (red / 65536.0f),
                    (GLclampf) (green / 65536.0f),
                    (GLclampf) (blue / 65536.0f),
                    (GLclampf) (alpha / 65536.0f));
}

void GL_APIENTRY
_es_ClearDepthx(GLclampx depth)
{
   _mesa_ClearDepthf((GLclampf) (depth / 65536.0f));
}

void GL_APIENTRY
_es_ClipPlanef(GLenum plane, const GLfloat *equation)
{
   unsigned int i;
   GLdouble converted_equation[4];

   for (i = 0; i < Elements(converted_equation); i++) {
      converted_equation[i] = (GLdouble) (equation[i]);
   }

   _mesa_ClipPlane(plane, converted_equation);
}

void GL_APIENTRY
_es_ClipPlanex(GLenum plane, const GLfixed *equation)
{
   unsigned int i;
   GLdouble converted_equation[4];

   for (i = 0; i < Elements(converted_equation); i++) {
      converted_equation[i] = (GLdouble) (equation[i] / 65536.0);
   }

   _mesa_ClipPlane(plane, converted_equation);
}

void GL_APIENTRY
_es_Color4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)
{
    _es_Color4f((GLfloat) (red / 255.0f),
                (GLfloat) (green / 255.0f),
                (GLfloat) (blue / 255.0f),
                (GLfloat) (alpha / 255.0f));
}

void GL_APIENTRY
_es_Color4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)
{
    _es_Color4f((GLfloat) (red / 65536.0f),
                (GLfloat) (green / 65536.0f),
                (GLfloat) (blue / 65536.0f),
                (GLfloat) (alpha / 65536.0f));
}

void GL_APIENTRY
_es_DepthRangex(GLclampx zNear, GLclampx zFar)
{
    _mesa_DepthRangef((GLclampf) (zNear / 65536.0f),
                      (GLclampf) (zFar / 65536.0f));
}

void GL_APIENTRY
_es_DrawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h)
{

    _mesa_DrawTexf((GLfloat) (x / 65536.0f),
                   (GLfloat) (y / 65536.0f),
                   (GLfloat) (z / 65536.0f),
                   (GLfloat) (w / 65536.0f),
                   (GLfloat) (h / 65536.0f));
}

void GL_APIENTRY
_es_DrawTexxvOES(const GLfixed *coords)
{
    unsigned int i;
    GLfloat converted_coords[5];

    for (i = 0; i < Elements(converted_coords); i++) {
        converted_coords[i] = (GLfloat) (coords[i] / 65536.0f);
    }

    _mesa_DrawTexfv(converted_coords);
}

void GL_APIENTRY
_es_Fogx(GLenum pname, GLfixed param)
{
   if (pname != GL_FOG_MODE) {
      _mesa_Fogf(pname, (GLfloat) (param / 65536.0f));
   } else {
      _mesa_Fogf(pname, (GLfloat) param);
   }

}

void GL_APIENTRY
_es_Fogxv(GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(pname) {
   case GL_FOG_MODE:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_FOG_COLOR:
      n_params = 4;
      break;
   case GL_FOG_DENSITY:
   case GL_FOG_START:
   case GL_FOG_END:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glFogxv(pname=0x%x)", pname);
      return;
   }

   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) (params[i] / 65536.0f);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) params[i];
      }
   }

   _mesa_Fogfv(pname, converted_params);
}

void GL_APIENTRY
_es_Frustumf(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top,
             GLfloat zNear, GLfloat zFar)
{
   _mesa_Frustum((GLdouble) (left),
                 (GLdouble) (right),
                 (GLdouble) (bottom),
                 (GLdouble) (top),
                 (GLdouble) (zNear),
                 (GLdouble) (zFar));
}

void GL_APIENTRY
_es_Frustumx(GLfixed left, GLfixed right, GLfixed bottom, GLfixed top,
             GLfixed zNear, GLfixed zFar)
{
   _mesa_Frustum((GLdouble) (left / 65536.0),
                 (GLdouble) (right / 65536.0),
                 (GLdouble) (bottom / 65536.0),
                 (GLdouble) (top / 65536.0),
                 (GLdouble) (zNear / 65536.0),
                 (GLdouble) (zFar / 65536.0));
}

void GL_APIENTRY
_es_GetClipPlanef(GLenum plane, GLfloat *equation)
{
   unsigned int i;
   GLdouble converted_equation[4];

   _mesa_GetClipPlane(plane, converted_equation);
   for (i = 0; i < Elements(converted_equation); i++) {
      equation[i] = (GLfloat) (converted_equation[i]);
   }
}

void GL_APIENTRY
_es_GetClipPlanex(GLenum plane, GLfixed *equation)
{
   unsigned int i;
   GLdouble converted_equation[4];

   _mesa_GetClipPlane(plane, converted_equation);
   for (i = 0; i < Elements(converted_equation); i++) {
      equation[i] = (GLfixed) (converted_equation[i] * 65536);
   }
}

void GL_APIENTRY
_es_GetLightxv(GLenum light, GLenum pname, GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];

   if (light < GL_LIGHT0 || light > GL_LIGHT7) {
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetLightxv(light=0x%x)", light);
      return;
   }
   switch(pname) {
   case GL_AMBIENT:
   case GL_DIFFUSE:
   case GL_SPECULAR:
   case GL_POSITION:
      n_params = 4;
      break;
   case GL_SPOT_DIRECTION:
      n_params = 3;
      break;
   case GL_SPOT_EXPONENT:
   case GL_SPOT_CUTOFF:
   case GL_CONSTANT_ATTENUATION:
   case GL_LINEAR_ATTENUATION:
   case GL_QUADRATIC_ATTENUATION:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetLightxv(pname=0x%x)", pname);
      return;
   }

   _mesa_GetLightfv(light, pname, converted_params);
   for (i = 0; i < n_params; i++) {
      params[i] = (GLint) (converted_params[i] * 65536);
   }
}

void GL_APIENTRY
_es_GetMaterialxv(GLenum face, GLenum pname, GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];

   switch(face) {
   case GL_FRONT:
   case GL_BACK:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetMaterialxv(face=0x%x)", face);
      return;
   }
   switch(pname) {
   case GL_SHININESS:
      n_params = 1;
      break;
   case GL_AMBIENT:
   case GL_DIFFUSE:
   case GL_SPECULAR:
   case GL_EMISSION:
      n_params = 4;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetMaterialxv(pname=0x%x)", pname);
      return;
   }

   _mesa_GetMaterialfv(face, pname, converted_params);
   for (i = 0; i < n_params; i++) {
      params[i] = (GLint) (converted_params[i] * 65536);
   }
}

void GL_APIENTRY
_es_GetTexEnvxv(GLenum target, GLenum pname, GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(target) {
   case GL_POINT_SPRITE:
      if (pname != GL_COORD_REPLACE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glGetTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_FILTER_CONTROL_EXT:
      if (pname != GL_TEXTURE_LOD_BIAS_EXT) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glGetTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_ENV:
      if (pname != GL_TEXTURE_ENV_COLOR && pname != GL_RGB_SCALE && pname != GL_ALPHA_SCALE && pname != GL_TEXTURE_ENV_MODE && pname != GL_COMBINE_RGB && pname != GL_COMBINE_ALPHA && pname != GL_SRC0_RGB && pname != GL_SRC1_RGB && pname != GL_SRC2_RGB && pname != GL_SRC0_ALPHA && pname != GL_SRC1_ALPHA && pname != GL_SRC2_ALPHA && pname != GL_OPERAND0_RGB && pname != GL_OPERAND1_RGB && pname != GL_OPERAND2_RGB && pname != GL_OPERAND0_ALPHA && pname != GL_OPERAND1_ALPHA && pname != GL_OPERAND2_ALPHA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glGetTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexEnvxv(target=0x%x)", target);
      return;
   }
   switch(pname) {
   case GL_COORD_REPLACE:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_LOD_BIAS_EXT:
      n_params = 1;
      break;
   case GL_TEXTURE_ENV_COLOR:
      n_params = 4;
      break;
   case GL_RGB_SCALE:
   case GL_ALPHA_SCALE:
      n_params = 1;
      break;
   case GL_TEXTURE_ENV_MODE:
   case GL_COMBINE_RGB:
   case GL_COMBINE_ALPHA:
   case GL_SRC0_RGB:
   case GL_SRC1_RGB:
   case GL_SRC2_RGB:
   case GL_SRC0_ALPHA:
   case GL_SRC1_ALPHA:
   case GL_SRC2_ALPHA:
   case GL_OPERAND0_RGB:
   case GL_OPERAND1_RGB:
   case GL_OPERAND2_RGB:
   case GL_OPERAND0_ALPHA:
   case GL_OPERAND1_ALPHA:
   case GL_OPERAND2_ALPHA:
      convert_params_value = false;
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexEnvxv(pname=0x%x)", pname);
      return;
   }

   _mesa_GetTexEnvfv(target, pname, converted_params);
   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         params[i] = (GLint) (converted_params[i] * 65536);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         params[i] = (GLfixed) converted_params[i];
      }
   }
}

void GL_APIENTRY
_check_GetTexGenivOES(GLenum coord, GLenum pname, GLint *params)
{
   unsigned int i;
   unsigned int n_params = 1;
   GLfloat converted_params[1];

   switch(coord) {
   case GL_TEXTURE_GEN_STR_OES:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexGenivOES(coord=0x%x)", coord);
      return;
   }
   switch(pname) {
   case GL_TEXTURE_GEN_MODE:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexGenivOES(pname=0x%x)", pname);
      return;
   }

   _es_GetTexGenfv(coord, pname, converted_params);
   for (i = 0; i < n_params; i++) {
      params[i] = (GLfloat) converted_params[i];
   }
}

void GL_APIENTRY
_check_GetTexGenxvOES(GLenum coord, GLenum pname, GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 1;
   GLfloat converted_params[1];

   switch(coord) {
   case GL_TEXTURE_GEN_STR_OES:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexGenxvOES(coord=0x%x)", coord);
      return;
   }
   switch(pname) {
   case GL_TEXTURE_GEN_MODE:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexGenxvOES(pname=0x%x)", pname);
      return;
   }

   _es_GetTexGenfv(coord, pname, converted_params);
   for (i = 0; i < n_params; i++) {
      params[i] = (GLfloat) converted_params[i];
   }
}

void GL_APIENTRY
_es_GetTexParameterxv(GLenum target, GLenum pname, GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(target) {
   case GL_TEXTURE_2D:
   case GL_TEXTURE_CUBE_MAP:
   case GL_TEXTURE_EXTERNAL_OES:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexParameterxv(target=0x%x)", target);
      return;
   }
   switch(pname) {
   case GL_TEXTURE_WRAP_S:
   case GL_TEXTURE_WRAP_T:
   case GL_TEXTURE_MIN_FILTER:
   case GL_TEXTURE_MAG_FILTER:
   case GL_GENERATE_MIPMAP:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_CROP_RECT_OES:
      n_params = 4;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glGetTexParameterxv(pname=0x%x)", pname);
      return;
   }

   _mesa_GetTexParameterfv(target, pname, converted_params);
   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         params[i] = (GLint) (converted_params[i] * 65536);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         params[i] = (GLfixed) converted_params[i];
      }
   }
}

void GL_APIENTRY
_es_LightModelx(GLenum pname, GLfixed param)
{
   _mesa_LightModelf(pname, (GLfloat) param);
}

void GL_APIENTRY
_es_LightModelxv(GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(pname) {
   case GL_LIGHT_MODEL_AMBIENT:
      n_params = 4;
      break;
   case GL_LIGHT_MODEL_TWO_SIDE:
      convert_params_value = false;
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glLightModelxv(pname=0x%x)", pname);
      return;
   }

   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) (params[i] / 65536.0f);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) params[i];
      }
   }

   _mesa_LightModelfv(pname, converted_params);
}

void GL_APIENTRY
_es_Lightx(GLenum light, GLenum pname, GLfixed param)
{
   _mesa_Lightf(light, pname, (GLfloat) (param / 65536.0f));
}

void GL_APIENTRY
_es_Lightxv(GLenum light, GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];

   if (light < GL_LIGHT0 || light > GL_LIGHT7) {
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glLightxv(light=0x%x)", light);
      return;
   }
   switch(pname) {
   case GL_AMBIENT:
   case GL_DIFFUSE:
   case GL_SPECULAR:
   case GL_POSITION:
      n_params = 4;
      break;
   case GL_SPOT_DIRECTION:
      n_params = 3;
      break;
   case GL_SPOT_EXPONENT:
   case GL_SPOT_CUTOFF:
   case GL_CONSTANT_ATTENUATION:
   case GL_LINEAR_ATTENUATION:
   case GL_QUADRATIC_ATTENUATION:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glLightxv(pname=0x%x)", pname);
      return;
   }

   for (i = 0; i < n_params; i++) {
      converted_params[i] = (GLfloat) (params[i] / 65536.0f);
   }

   _mesa_Lightfv(light, pname, converted_params);
}

void GL_APIENTRY
_es_LineWidthx(GLfixed width)
{
   _mesa_LineWidth((GLfloat) (width / 65536.0f));
}

void GL_APIENTRY
_es_LoadMatrixx(const GLfixed *m)
{
   unsigned int i;
   GLfloat converted_m[16];

   for (i = 0; i < Elements(converted_m); i++) {
      converted_m[i] = (GLfloat) (m[i] / 65536.0f);
   }

   _mesa_LoadMatrixf(converted_m);
}

void GL_APIENTRY
_es_Materialx(GLenum face, GLenum pname, GLfixed param)
{
   if (face != GL_FRONT_AND_BACK) {
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glMaterialx(face=0x%x)", face);
      return;
   }

   if (pname != GL_SHININESS) {
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glMaterialx(pname=0x%x)", pname);
      return;
   }

   _es_Materialf(face, pname, (GLfloat) (param / 65536.0f));
}

void GL_APIENTRY
_es_Materialxv(GLenum face, GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];

   if (face != GL_FRONT_AND_BACK) {
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glMaterialxv(face=0x%x)", face);
      return;
   }

   switch(pname) {
   case GL_AMBIENT:
   case GL_DIFFUSE:
   case GL_AMBIENT_AND_DIFFUSE:
   case GL_SPECULAR:
   case GL_EMISSION:
      n_params = 4;
      break;
   case GL_SHININESS:
      n_params = 1;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glMaterialxv(pname=0x%x)", pname);
      return;
   }

   for (i = 0; i < n_params; i++) {
      converted_params[i] = (GLfloat) (params[i] / 65536.0f);
   }

   _es_Materialfv(face, pname, converted_params);
}

void GL_APIENTRY
_es_MultMatrixx(const GLfixed *m)
{
   unsigned int i;
   GLfloat converted_m[16];

   for (i = 0; i < Elements(converted_m); i++) {
      converted_m[i] = (GLfloat) (m[i] / 65536.0f);
   }

   _mesa_MultMatrixf(converted_m);
}

void GL_APIENTRY
_es_MultiTexCoord4x(GLenum texture, GLfixed s, GLfixed t, GLfixed r, GLfixed q)
{
   _es_MultiTexCoord4f(texture,
                       (GLfloat) (s / 65536.0f),
                       (GLfloat) (t / 65536.0f),
                       (GLfloat) (r / 65536.0f),
                       (GLfloat) (q / 65536.0f));
}

void GL_APIENTRY
_es_Normal3x(GLfixed nx, GLfixed ny, GLfixed nz)
{
   _es_Normal3f((GLfloat) (nx / 65536.0f),
                (GLfloat) (ny / 65536.0f),
                (GLfloat) (nz / 65536.0f));
}

void GL_APIENTRY
_es_Orthof(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top,
           GLfloat zNear, GLfloat zFar)
{
   _mesa_Ortho((GLdouble) (left),
               (GLdouble) (right),
               (GLdouble) (bottom),
               (GLdouble) (top),
               (GLdouble) (zNear),
               (GLdouble) (zFar));
}

void GL_APIENTRY
_es_Orthox(GLfixed left, GLfixed right, GLfixed bottom, GLfixed top,
           GLfixed zNear, GLfixed zFar)
{
   _mesa_Ortho((GLdouble) (left / 65536.0),
               (GLdouble) (right / 65536.0),
               (GLdouble) (bottom / 65536.0),
               (GLdouble) (top / 65536.0),
               (GLdouble) (zNear / 65536.0),
               (GLdouble) (zFar / 65536.0));
}

void GL_APIENTRY
_es_PointParameterx(GLenum pname, GLfixed param)
{
   switch(pname) {
   case GL_POINT_SIZE_MIN:
   case GL_POINT_SIZE_MAX:
   case GL_POINT_FADE_THRESHOLD_SIZE:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glPointParameterx(pname=0x%x)", pname);
      return;
   }

   _mesa_PointParameterf(pname, (GLfloat) (param / 65536.0f));
}

void GL_APIENTRY
_es_PointParameterxv(GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 3;
   GLfloat converted_params[3];

   switch(pname) {
   case GL_POINT_SIZE_MIN:
   case GL_POINT_SIZE_MAX:
   case GL_POINT_FADE_THRESHOLD_SIZE:
      n_params = 1;
      break;
   case GL_POINT_DISTANCE_ATTENUATION:
      n_params = 3;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glPointParameterxv(pname=0x%x)", pname);
      return;
   }

   for (i = 0; i < n_params; i++) {
      converted_params[i] = (GLfloat) (params[i] / 65536.0f);
   }

   _mesa_PointParameterfv(pname, converted_params);
}

void GL_APIENTRY
_es_PointSizex(GLfixed size)
{
   _mesa_PointSize((GLfloat) (size / 65536.0f));
}

void GL_APIENTRY
_es_PolygonOffsetx(GLfixed factor, GLfixed units)
{
   _mesa_PolygonOffset((GLfloat) (factor / 65536.0f),
                       (GLfloat) (units / 65536.0f));
}

void GL_APIENTRY
_es_Rotatex(GLfixed angle, GLfixed x, GLfixed y, GLfixed z)
{
   _mesa_Rotatef((GLfloat) (angle / 65536.0f),
                 (GLfloat) (x / 65536.0f),
                 (GLfloat) (y / 65536.0f),
                 (GLfloat) (z / 65536.0f));
}

void GL_APIENTRY
_es_SampleCoveragex(GLclampx value, GLboolean invert)
{
   _mesa_SampleCoverageARB((GLclampf) (value / 65536.0f),
                           invert);
}

void GL_APIENTRY
_es_Scalex(GLfixed x, GLfixed y, GLfixed z)
{
   _mesa_Scalef((GLfloat) (x / 65536.0f),
                (GLfloat) (y / 65536.0f),
                (GLfloat) (z / 65536.0f));
}

void GL_APIENTRY
_es_TexEnvx(GLenum target, GLenum pname, GLfixed param)
{
   GLfloat converted_param;
   bool convert_param_value = true;

   switch(target) {
   case GL_POINT_SPRITE:
      if (pname != GL_COORD_REPLACE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_FILTER_CONTROL_EXT:
      if (pname != GL_TEXTURE_LOD_BIAS_EXT) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_ENV:
      if (pname != GL_TEXTURE_ENV_MODE && pname != GL_COMBINE_RGB && pname != GL_COMBINE_ALPHA && pname != GL_RGB_SCALE && pname != GL_ALPHA_SCALE && pname != GL_SRC0_RGB && pname != GL_SRC1_RGB && pname != GL_SRC2_RGB && pname != GL_SRC0_ALPHA && pname != GL_SRC1_ALPHA && pname != GL_SRC2_ALPHA && pname != GL_OPERAND0_RGB && pname != GL_OPERAND1_RGB && pname != GL_OPERAND2_RGB && pname != GL_OPERAND0_ALPHA && pname != GL_OPERAND1_ALPHA && pname != GL_OPERAND2_ALPHA && pname != GL_TEXTURE_ENV_COLOR) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(target=0x%x)", target);
         return;
      }
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexEnvx(target=0x%x)", target);
      return;
   }
   switch(pname) {
   case GL_COORD_REPLACE:
      if (param != GL_TRUE && param != GL_FALSE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   case GL_TEXTURE_LOD_BIAS_EXT:
      break;
   case GL_TEXTURE_ENV_MODE:
      if (param != GL_REPLACE && param != GL_MODULATE && param != GL_DECAL && param != GL_BLEND && param != GL_ADD && param != GL_COMBINE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   case GL_COMBINE_RGB:
      if (param != GL_REPLACE && param != GL_MODULATE && param != GL_ADD && param != GL_ADD_SIGNED && param != GL_INTERPOLATE && param != GL_SUBTRACT && param != GL_DOT3_RGB && param != GL_DOT3_RGBA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   case GL_COMBINE_ALPHA:
      if (param != GL_REPLACE && param != GL_MODULATE && param != GL_ADD && param != GL_ADD_SIGNED && param != GL_INTERPOLATE && param != GL_SUBTRACT) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   case GL_RGB_SCALE:
   case GL_ALPHA_SCALE:
      break;
   case GL_SRC0_RGB:
   case GL_SRC1_RGB:
   case GL_SRC2_RGB:
   case GL_SRC0_ALPHA:
   case GL_SRC1_ALPHA:
   case GL_SRC2_ALPHA:
      convert_param_value = false;
      break;
   case GL_OPERAND0_RGB:
   case GL_OPERAND1_RGB:
   case GL_OPERAND2_RGB:
      if (param != GL_SRC_COLOR && param != GL_ONE_MINUS_SRC_COLOR && param != GL_SRC_ALPHA && param != GL_ONE_MINUS_SRC_ALPHA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   case GL_OPERAND0_ALPHA:
   case GL_OPERAND1_ALPHA:
   case GL_OPERAND2_ALPHA:
      if (param != GL_SRC_ALPHA && param != GL_ONE_MINUS_SRC_ALPHA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvx(pname=0x%x)", pname);
         return;
      }
      convert_param_value = false;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexEnvx(pname=0x%x)", pname);
      return;
   }

   if (convert_param_value) {
      converted_param = (GLfloat) (param / 65536.0f);
   } else {
      converted_param = (GLfloat) param;
   }

   _mesa_TexEnvf(target, pname, converted_param);
}

void GL_APIENTRY
_es_TexEnvxv(GLenum target, GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(target) {
   case GL_POINT_SPRITE:
      if (pname != GL_COORD_REPLACE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_FILTER_CONTROL_EXT:
      if (pname != GL_TEXTURE_LOD_BIAS_EXT) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   case GL_TEXTURE_ENV:
      if (pname != GL_TEXTURE_ENV_MODE && pname != GL_COMBINE_RGB && pname != GL_COMBINE_ALPHA && pname != GL_RGB_SCALE && pname != GL_ALPHA_SCALE && pname != GL_SRC0_RGB && pname != GL_SRC1_RGB && pname != GL_SRC2_RGB && pname != GL_SRC0_ALPHA && pname != GL_SRC1_ALPHA && pname != GL_SRC2_ALPHA && pname != GL_OPERAND0_RGB && pname != GL_OPERAND1_RGB && pname != GL_OPERAND2_RGB && pname != GL_OPERAND0_ALPHA && pname != GL_OPERAND1_ALPHA && pname != GL_OPERAND2_ALPHA && pname != GL_TEXTURE_ENV_COLOR) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(target=0x%x)", target);
         return;
      }
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexEnvxv(target=0x%x)", target);
      return;
   }
   switch(pname) {
   case GL_COORD_REPLACE:
      if (params[0] != GL_TRUE && params[0] != GL_FALSE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_LOD_BIAS_EXT:
      n_params = 1;
      break;
   case GL_TEXTURE_ENV_MODE:
      if (params[0] != GL_REPLACE && params[0] != GL_MODULATE && params[0] != GL_DECAL && params[0] != GL_BLEND && params[0] != GL_ADD && params[0] != GL_COMBINE) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_COMBINE_RGB:
      if (params[0] != GL_REPLACE && params[0] != GL_MODULATE && params[0] != GL_ADD && params[0] != GL_ADD_SIGNED && params[0] != GL_INTERPOLATE && params[0] != GL_SUBTRACT && params[0] != GL_DOT3_RGB && params[0] != GL_DOT3_RGBA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_COMBINE_ALPHA:
      if (params[0] != GL_REPLACE && params[0] != GL_MODULATE && params[0] != GL_ADD && params[0] != GL_ADD_SIGNED && params[0] != GL_INTERPOLATE && params[0] != GL_SUBTRACT) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_RGB_SCALE:
   case GL_ALPHA_SCALE:
      break;
   case GL_SRC0_RGB:
   case GL_SRC1_RGB:
   case GL_SRC2_RGB:
   case GL_SRC0_ALPHA:
   case GL_SRC1_ALPHA:
   case GL_SRC2_ALPHA:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_OPERAND0_RGB:
   case GL_OPERAND1_RGB:
   case GL_OPERAND2_RGB:
      if (params[0] != GL_SRC_COLOR && params[0] != GL_ONE_MINUS_SRC_COLOR && params[0] != GL_SRC_ALPHA && params[0] != GL_ONE_MINUS_SRC_ALPHA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_OPERAND0_ALPHA:
   case GL_OPERAND1_ALPHA:
   case GL_OPERAND2_ALPHA:
      if (params[0] != GL_SRC_ALPHA && params[0] != GL_ONE_MINUS_SRC_ALPHA) {
         _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                     "glTexEnvxv(pname=0x%x)", pname);
         return;
      }
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_ENV_COLOR:
      n_params = 4;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexEnvxv(pname=0x%x)", pname);
      return;
   }

   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) (params[i] / 65536.0f);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) params[i];
      }
   }

   _mesa_TexEnvfv(target, pname, converted_params);
}

void GL_APIENTRY
_check_TexGeniOES(GLenum coord, GLenum pname, GLint param)
{
   _es_TexGenf(coord, pname, (GLfloat) param);
}

void GL_APIENTRY
_check_TexGenivOES(GLenum coord, GLenum pname, const GLint *params)
{
   _es_TexGenf(coord, pname, (GLfloat) params[0]);
}

void GL_APIENTRY
_check_TexGenxOES(GLenum coord, GLenum pname, GLfixed param)
{
   _es_TexGenf(coord, pname, (GLfloat) param);
}

void GL_APIENTRY
_check_TexGenxvOES(GLenum coord, GLenum pname, const GLfixed *params)
{
   _es_TexGenf(coord, pname, (GLfloat) params[0]);
}

void GL_APIENTRY
_es_TexParameterx(GLenum target, GLenum pname, GLfixed param)
{
   if (pname == GL_TEXTURE_MAX_ANISOTROPY_EXT) {
      _mesa_TexParameterf(target, pname, (GLfloat) (param / 65536.0f));
   } else {
      _mesa_TexParameterf(target, pname, (GLfloat) param);
   }
}

void GL_APIENTRY
_es_TexParameterxv(GLenum target, GLenum pname, const GLfixed *params)
{
   unsigned int i;
   unsigned int n_params = 4;
   GLfloat converted_params[4];
   bool convert_params_value = true;

   switch(target) {
   case GL_TEXTURE_2D:
   case GL_TEXTURE_CUBE_MAP:
   case GL_TEXTURE_EXTERNAL_OES:
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexParameterxv(target=0x%x)", target);
      return;
   }
   switch(pname) {
   case GL_TEXTURE_WRAP_S:
   case GL_TEXTURE_WRAP_T:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_MIN_FILTER:
   case GL_TEXTURE_MAG_FILTER:
   case GL_GENERATE_MIPMAP:
      convert_params_value = false;
      n_params = 1;
      break;
   case GL_TEXTURE_MAX_ANISOTROPY_EXT:
      n_params = 1;
      break;
   case GL_TEXTURE_CROP_RECT_OES:
      n_params = 4;
      break;
   default:
      _mesa_error(_mesa_get_current_context(), GL_INVALID_ENUM,
                  "glTexParameterxv(pname=0x%x)", pname);
      return;
   }

   if (convert_params_value) {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) (params[i] / 65536.0f);
      }
   } else {
      for (i = 0; i < n_params; i++) {
         converted_params[i] = (GLfloat) params[i];
      }
   }

   _mesa_TexParameterfv(target, pname, converted_params);
}

void GL_APIENTRY
_es_Translatex(GLfixed x, GLfixed y, GLfixed z)
{
    _mesa_Translatef((GLfloat) (x / 65536.0f),
                     (GLfloat) (y / 65536.0f),
                     (GLfloat) (z / 65536.0f));
}

#endif /* FEATURE_ES1 */