101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "GLEScmUtils.h"
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size_t glParamSize(GLenum param)
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{
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size_t s = 0;
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switch(param)
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{
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case GL_MAX_TEXTURE_SIZE:
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//case GL_TEXTURE_GEN_MODE_OES:
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case GL_TEXTURE_ENV_MODE:
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case GL_FOG_MODE:
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case GL_FOG_DENSITY:
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case GL_FOG_START:
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case GL_FOG_END:
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case GL_SPOT_EXPONENT:
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case GL_CONSTANT_ATTENUATION:
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case GL_LINEAR_ATTENUATION:
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case GL_QUADRATIC_ATTENUATION:
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case GL_SHININESS:
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case GL_LIGHT_MODEL_TWO_SIDE:
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case GL_POINT_SIZE:
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case GL_POINT_SIZE_MIN:
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case GL_POINT_SIZE_MAX:
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case GL_POINT_FADE_THRESHOLD_SIZE:
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case GL_CULL_FACE_MODE:
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case GL_FRONT_FACE:
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case GL_SHADE_MODEL:
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case GL_DEPTH_WRITEMASK:
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case GL_DEPTH_CLEAR_VALUE:
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case GL_STENCIL_FAIL:
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case GL_STENCIL_PASS_DEPTH_FAIL:
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case GL_STENCIL_PASS_DEPTH_PASS:
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case GL_STENCIL_REF:
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case GL_STENCIL_WRITEMASK:
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case GL_MATRIX_MODE:
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case GL_MODELVIEW_STACK_DEPTH:
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case GL_PROJECTION_STACK_DEPTH:
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case GL_TEXTURE_STACK_DEPTH:
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case GL_ALPHA_TEST_FUNC:
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case GL_ALPHA_TEST_REF:
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case GL_BLEND_DST:
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case GL_BLEND_SRC:
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case GL_LOGIC_OP_MODE:
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case GL_SCISSOR_TEST:
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case GL_MAX_TEXTURE_UNITS:
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s = 1;
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break;
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case GL_ALIASED_LINE_WIDTH_RANGE:
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case GL_ALIASED_POINT_SIZE_RANGE:
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case GL_DEPTH_RANGE:
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case GL_MAX_VIEWPORT_DIMS:
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case GL_SMOOTH_POINT_SIZE_RANGE:
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case GL_SMOOTH_LINE_WIDTH_RANGE:
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s= 2;
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break;
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case GL_SPOT_DIRECTION:
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case GL_POINT_DISTANCE_ATTENUATION:
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case GL_CURRENT_NORMAL:
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s = 3;
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break;
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case GL_CURRENT_TEXTURE_COORDS:
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case GL_CURRENT_COLOR:
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case GL_FOG_COLOR:
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case GL_AMBIENT:
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case GL_DIFFUSE:
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case GL_SPECULAR:
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case GL_EMISSION:
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case GL_POSITION:
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case GL_LIGHT_MODEL_AMBIENT:
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case GL_TEXTURE_ENV_COLOR:
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case GL_SCISSOR_BOX:
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case GL_VIEWPORT:
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//case GL_TEXTURE_CROP_RECT_OES:
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s = 4;
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break;
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case GL_MODELVIEW_MATRIX:
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case GL_PROJECTION_MATRIX:
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case GL_TEXTURE_MATRIX:
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s = 16;
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default:
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s = 1; // assume 1
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}
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return s;
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}
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