gfxapi/gles/api/rasterization.api

// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glCullFace.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glCullFace.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glCullFace.xhtml","OpenGL ES 3.1")
cmd void glCullFace(GLenum mode) {
  minRequiredVersion(2, 0)
  switch (mode) {
    case GL_BACK, GL_FRONT, GL_FRONT_AND_BACK: {
      // version 2.0
    }
    default: {
      glErrorInvalidEnum(mode)
    }
  }

  ctx := GetContext()
  ctx.Rasterizing.CullFace = mode
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glDepthRangef.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glDepthRangef.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glDepthRangef.xhtml","OpenGL ES 3.1")
cmd void glDepthRangef(GLfloat near, GLfloat far) {
  minRequiredVersion(2, 0)

  ctx := GetContext()
  ctx.Rasterizing.DepthNear = near
  ctx.Rasterizing.DepthFar = far
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glFrontFace.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glFrontFace.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glFrontFace.xhtml","OpenGL ES 3.1")
cmd void glFrontFace(GLenum orientation) {
  minRequiredVersion(2, 0)
  switch (orientation) {
    case GL_CCW, GL_CW: {
      // version 2.0
    }
    default: {
      glErrorInvalidEnum(orientation)
    }
  }

  ctx := GetContext()
  ctx.Rasterizing.FrontFace = orientation
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glGetMultisamplefv.xhtml","OpenGL ES 3.1")
cmd void glGetMultisamplefv(GLenum pname, GLuint index, GLfloat* val) {
  minRequiredVersion(3, 1)
  switch (pname) {
    case GL_SAMPLE_POSITION: {
      // version 3.1
    }
    default: {
      glErrorInvalidEnum(pname)
    }
  }
  // TODO
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glLineWidth.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glLineWidth.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glLineWidth.xhtml","OpenGL ES 3.1")
cmd void glLineWidth(GLfloat width) {
  minRequiredVersion(2, 0)

  ctx := GetContext()
  ctx.Rasterizing.LineWidth = width
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glPolygonOffset.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glPolygonOffset.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glPolygonOffset.xhtml","OpenGL ES 3.1")
cmd void glPolygonOffset(GLfloat scale_factor, GLfloat units) {
  minRequiredVersion(2, 0)

  ctx := GetContext()
  ctx.Rasterizing.PolygonOffsetUnits = units
  ctx.Rasterizing.PolygonOffsetFactor = scale_factor
}

@Doc("https://www.khronos.org/opengles/sdk/docs/man/xhtml/glViewport.xml","OpenGL ES 2.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man3/html/glViewport.xhtml","OpenGL ES 3.0")
@Doc("https://www.khronos.org/opengles/sdk/docs/man31/html/glViewport.xhtml","OpenGL ES 3.1")
cmd void glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
  minRequiredVersion(2, 0)

  ctx := GetContext()
  ctx.Rasterizing.Viewport = Rect(x, y, width, height)
}