/*
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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 "glUtils.h"
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#include <string.h>
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#include "ErrorLog.h"
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#include <IOStream.h>
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#include <GLES3/gl31.h>
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size_t glSizeof(GLenum type)
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{
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size_t retval = 0;
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switch(type) {
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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retval = 1;
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break;
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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case GL_HALF_FLOAT:
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case GL_HALF_FLOAT_OES:
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retval = 2;
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break;
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case GL_IMAGE_2D:
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case GL_IMAGE_3D:
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case GL_UNSIGNED_INT:
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case GL_INT:
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case GL_FLOAT:
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case GL_FIXED:
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case GL_BOOL:
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retval = 4;
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break;
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#ifdef GL_DOUBLE
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case GL_DOUBLE:
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retval = 8;
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break;
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#endif
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case GL_FLOAT_VEC2:
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case GL_INT_VEC2:
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case GL_UNSIGNED_INT_VEC2:
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case GL_BOOL_VEC2:
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retval = 8;
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break;
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case GL_INT_VEC3:
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case GL_UNSIGNED_INT_VEC3:
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case GL_BOOL_VEC3:
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case GL_FLOAT_VEC3:
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retval = 12;
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break;
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case GL_FLOAT_VEC4:
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case GL_BOOL_VEC4:
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case GL_INT_VEC4:
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case GL_UNSIGNED_INT_VEC4:
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case GL_FLOAT_MAT2:
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retval = 16;
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break;
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case GL_FLOAT_MAT3:
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retval = 36;
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break;
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case GL_FLOAT_MAT4:
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retval = 64;
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break;
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case GL_FLOAT_MAT2x3:
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case GL_FLOAT_MAT3x2:
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retval = 4 * 6;
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break;
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case GL_FLOAT_MAT2x4:
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case GL_FLOAT_MAT4x2:
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retval = 4 * 8;
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break;
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case GL_FLOAT_MAT3x4:
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case GL_FLOAT_MAT4x3:
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retval = 4 * 12;
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break;
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case GL_SAMPLER_2D:
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case GL_SAMPLER_3D:
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case GL_SAMPLER_CUBE:
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retval = 4;
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break;
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case GL_UNSIGNED_SHORT_4_4_4_4:
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case GL_UNSIGNED_SHORT_5_5_5_1:
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case GL_UNSIGNED_SHORT_5_6_5:
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case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
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case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
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retval = 2;
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break;
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case GL_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_10F_11F_11F_REV:
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case GL_UNSIGNED_INT_5_9_9_9_REV:
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_24_8_OES:;
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retval = 4;
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break;
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case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
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retval = 4 + 4;
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break;
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default:
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ALOGE("**** ERROR unknown type 0x%x (%s,%d)\n", type, __FUNCTION__,__LINE__);
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retval = 4;
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}
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return retval;
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}
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size_t glUtilsParamSize(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_DEPTH_TEST:
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case GL_DEPTH_FUNC:
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case GL_DEPTH_BITS:
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case GL_MAX_CLIP_PLANES:
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case GL_MAX_COLOR_ATTACHMENTS:
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case GL_MAX_DRAW_BUFFERS:
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case GL_GREEN_BITS:
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case GL_MAX_MODELVIEW_STACK_DEPTH:
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case GL_MAX_PROJECTION_STACK_DEPTH:
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case GL_MAX_TEXTURE_STACK_DEPTH:
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case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
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case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
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case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
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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:
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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_ALPHA_TEST:
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case GL_DITHER:
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case GL_BLEND_DST:
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case GL_BLEND_SRC:
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case GL_BLEND:
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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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case GL_ACTIVE_TEXTURE:
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case GL_ALPHA_BITS:
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case GL_ARRAY_BUFFER_BINDING:
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case GL_BLUE_BITS:
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case GL_CLIENT_ACTIVE_TEXTURE:
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case GL_CLIP_PLANE0:
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case GL_CLIP_PLANE1:
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case GL_CLIP_PLANE2:
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case GL_CLIP_PLANE3:
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case GL_CLIP_PLANE4:
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case GL_CLIP_PLANE5:
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case GL_COLOR_ARRAY:
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case GL_COLOR_ARRAY_BUFFER_BINDING:
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case GL_COLOR_ARRAY_SIZE:
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case GL_COLOR_ARRAY_STRIDE:
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case GL_COLOR_ARRAY_TYPE:
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case GL_COLOR_LOGIC_OP:
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case GL_COLOR_MATERIAL:
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case GL_PACK_ALIGNMENT:
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case GL_PERSPECTIVE_CORRECTION_HINT:
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case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
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case GL_POINT_SIZE_ARRAY_STRIDE_OES:
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case GL_POINT_SIZE_ARRAY_TYPE_OES:
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case GL_POINT_SMOOTH:
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case GL_POINT_SMOOTH_HINT:
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case GL_POINT_SPRITE_OES:
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case GL_COORD_REPLACE_OES:
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case GL_COMBINE_ALPHA:
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case GL_SRC0_RGB:
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case GL_SRC1_RGB:
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case GL_SRC2_RGB:
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case GL_OPERAND0_RGB:
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case GL_OPERAND1_RGB:
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case GL_OPERAND2_RGB:
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case GL_SRC0_ALPHA:
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case GL_SRC1_ALPHA:
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case GL_SRC2_ALPHA:
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case GL_OPERAND0_ALPHA:
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case GL_OPERAND1_ALPHA:
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case GL_OPERAND2_ALPHA:
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case GL_RGB_SCALE:
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case GL_ALPHA_SCALE:
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case GL_COMBINE_RGB:
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case GL_POLYGON_OFFSET_FACTOR:
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case GL_POLYGON_OFFSET_FILL:
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case GL_POLYGON_OFFSET_UNITS:
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case GL_RED_BITS:
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case GL_RESCALE_NORMAL:
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case GL_SAMPLE_ALPHA_TO_COVERAGE:
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case GL_SAMPLE_ALPHA_TO_ONE:
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case GL_SAMPLE_BUFFERS:
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case GL_SAMPLE_COVERAGE:
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case GL_SAMPLE_COVERAGE_INVERT:
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case GL_SAMPLE_COVERAGE_VALUE:
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case GL_SAMPLES:
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case GL_MAX_SAMPLES_EXT:
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case GL_STENCIL_BITS:
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case GL_STENCIL_CLEAR_VALUE:
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case GL_STENCIL_FUNC:
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case GL_STENCIL_TEST:
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case GL_STENCIL_VALUE_MASK:
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case GL_STENCIL_BACK_FUNC:
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case GL_STENCIL_BACK_VALUE_MASK:
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case GL_STENCIL_BACK_REF:
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case GL_STENCIL_BACK_FAIL:
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case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
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case GL_STENCIL_BACK_PASS_DEPTH_PASS:
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case GL_STENCIL_BACK_WRITEMASK:
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case GL_TEXTURE_2D:
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case GL_TEXTURE_BASE_LEVEL:
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case GL_TEXTURE_BINDING_2D:
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case GL_TEXTURE_BINDING_CUBE_MAP:
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case GL_TEXTURE_BINDING_EXTERNAL_OES:
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case GL_TEXTURE_COMPARE_FUNC:
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case GL_TEXTURE_COMPARE_MODE:
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case GL_TEXTURE_COORD_ARRAY:
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case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
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case GL_TEXTURE_COORD_ARRAY_SIZE:
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case GL_TEXTURE_COORD_ARRAY_STRIDE:
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case GL_TEXTURE_COORD_ARRAY_TYPE:
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case GL_TEXTURE_IMMUTABLE_FORMAT:
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case GL_UNPACK_ALIGNMENT:
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case GL_VERTEX_ARRAY:
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case GL_VERTEX_ARRAY_BUFFER_BINDING:
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case GL_VERTEX_ARRAY_SIZE:
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case GL_VERTEX_ARRAY_STRIDE:
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case GL_VERTEX_ARRAY_TYPE:
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case GL_SPOT_CUTOFF:
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case GL_TEXTURE_MIN_FILTER:
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case GL_TEXTURE_MAG_FILTER:
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case GL_TEXTURE_MAX_LOD:
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case GL_TEXTURE_MIN_LOD:
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case GL_TEXTURE_WRAP_S:
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case GL_TEXTURE_WRAP_T:
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case GL_TEXTURE_WRAP_R:
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case GL_TEXTURE_SWIZZLE_R:
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case GL_TEXTURE_SWIZZLE_G:
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case GL_TEXTURE_SWIZZLE_B:
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case GL_TEXTURE_SWIZZLE_A:
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case GL_GENERATE_MIPMAP:
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case GL_GENERATE_MIPMAP_HINT:
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case GL_RENDERBUFFER_WIDTH_OES:
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case GL_RENDERBUFFER_HEIGHT_OES:
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case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
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case GL_RENDERBUFFER_RED_SIZE_OES:
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case GL_RENDERBUFFER_GREEN_SIZE_OES:
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case GL_RENDERBUFFER_BLUE_SIZE_OES:
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case GL_RENDERBUFFER_ALPHA_SIZE_OES:
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case GL_RENDERBUFFER_DEPTH_SIZE_OES:
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case GL_RENDERBUFFER_STENCIL_SIZE_OES:
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case GL_RENDERBUFFER_BINDING:
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case GL_FRAMEBUFFER_BINDING:
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case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
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case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
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case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
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case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_OES:
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case GL_FENCE_STATUS_NV:
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case GL_FENCE_CONDITION_NV:
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case GL_TEXTURE_WIDTH_QCOM:
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case GL_TEXTURE_HEIGHT_QCOM:
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case GL_TEXTURE_DEPTH_QCOM:
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case GL_TEXTURE_INTERNAL_FORMAT_QCOM:
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case GL_TEXTURE_FORMAT_QCOM:
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case GL_TEXTURE_TYPE_QCOM:
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case GL_TEXTURE_IMAGE_VALID_QCOM:
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case GL_TEXTURE_NUM_LEVELS_QCOM:
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case GL_TEXTURE_TARGET_QCOM:
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case GL_TEXTURE_OBJECT_VALID_QCOM:
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case GL_BLEND_EQUATION_RGB_OES:
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case GL_BLEND_EQUATION_ALPHA_OES:
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case GL_BLEND_DST_RGB_OES:
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case GL_BLEND_SRC_RGB_OES:
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case GL_BLEND_DST_ALPHA_OES:
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case GL_BLEND_SRC_ALPHA_OES:
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case GL_MAX_LIGHTS:
|
case GL_SHADER_TYPE:
|
case GL_COMPILE_STATUS:
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case GL_SHADER_SOURCE_LENGTH:
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case GL_CURRENT_PROGRAM:
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case GL_SUBPIXEL_BITS:
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case GL_MAX_3D_TEXTURE_SIZE:
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case GL_MAX_ARRAY_TEXTURE_LAYERS:
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case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
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case GL_NUM_SHADER_BINARY_FORMATS:
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case GL_SHADER_COMPILER:
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case GL_MAX_VERTEX_ATTRIBS:
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case GL_MAX_VERTEX_UNIFORM_VECTORS:
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case GL_MAX_VARYING_VECTORS:
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case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
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case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
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case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
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case GL_MAX_RENDERBUFFER_SIZE:
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case GL_MAX_TEXTURE_IMAGE_UNITS:
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case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
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case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
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case GL_LINE_WIDTH:
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case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
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case GL_MAX_UNIFORM_BUFFER_BINDINGS:
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case GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS:
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case GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS:
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case GL_UNIFORM_BLOCK_BINDING:
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case GL_UNIFORM_BLOCK_DATA_SIZE:
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case GL_UNIFORM_BLOCK_NAME_LENGTH:
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case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
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case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
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case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
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case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
|
case GL_CURRENT_QUERY:
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case GL_QUERY_RESULT:
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case GL_QUERY_RESULT_AVAILABLE:
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case GL_READ_BUFFER:
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case GL_NUM_PROGRAM_BINARY_FORMATS:
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case GL_PROGRAM_BINARY_FORMATS:
|
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case GL_ACTIVE_ATOMIC_COUNTER_BUFFERS:
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case GL_ACTIVE_ATTRIBUTES:
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case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
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case GL_ACTIVE_UNIFORM_BLOCKS:
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case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
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case GL_ACTIVE_UNIFORMS:
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case GL_ACTIVE_UNIFORM_MAX_LENGTH:
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case GL_ATTACHED_SHADERS:
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case GL_DELETE_STATUS:
|
case GL_INFO_LOG_LENGTH:
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case GL_LINK_STATUS:
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case GL_PROGRAM_BINARY_LENGTH:
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case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
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case GL_PROGRAM_SEPARABLE:
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case GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT:
|
case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
|
case GL_TRANSFORM_FEEDBACK_VARYINGS:
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case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
|
case GL_TRANSFORM_FEEDBACK_ACTIVE:
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#define GL_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A
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#define GL_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80
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case GL_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
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case GL_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
|
case GL_VALIDATE_STATUS:
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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:
|
case GL_DEPTH_RANGE:
|
case GL_MAX_VIEWPORT_DIMS:
|
case GL_SMOOTH_POINT_SIZE_RANGE:
|
case GL_SMOOTH_LINE_WIDTH_RANGE:
|
case GL_SAMPLE_POSITION:
|
s= 2;
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break;
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case GL_SPOT_DIRECTION:
|
case GL_POINT_DISTANCE_ATTENUATION:
|
case GL_CURRENT_NORMAL:
|
case GL_COMPUTE_WORK_GROUP_SIZE:
|
s = 3;
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break;
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case GL_CURRENT_VERTEX_ATTRIB:
|
case GL_CURRENT_TEXTURE_COORDS:
|
case GL_CURRENT_COLOR:
|
case GL_FOG_COLOR:
|
case GL_AMBIENT:
|
case GL_DIFFUSE:
|
case GL_SPECULAR:
|
case GL_EMISSION:
|
case GL_POSITION:
|
case GL_LIGHT_MODEL_AMBIENT:
|
case GL_TEXTURE_ENV_COLOR:
|
case GL_SCISSOR_BOX:
|
case GL_VIEWPORT:
|
case GL_TEXTURE_CROP_RECT_OES:
|
case GL_COLOR_CLEAR_VALUE:
|
case GL_COLOR_WRITEMASK:
|
case GL_AMBIENT_AND_DIFFUSE:
|
case GL_BLEND_COLOR:
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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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break;
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default:
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ERR("glUtilsParamSize: unknow param 0x%08x\n", param);
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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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void glUtilsPackPointerData(unsigned char *dst, unsigned char *src,
|
int size, GLenum type, unsigned int stride,
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unsigned int datalen)
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{
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unsigned int vsize = size * glSizeof(type);
|
switch (type) {
|
case GL_INT_2_10_10_10_REV:
|
case GL_UNSIGNED_INT_2_10_10_10_REV:
|
vsize = vsize / 4;
|
break;
|
default:
|
break;
|
}
|
|
if (stride == 0) stride = vsize;
|
|
if (stride == vsize) {
|
memcpy(dst, src, datalen);
|
} else {
|
for (unsigned int i = 0; i < datalen; i += vsize) {
|
memcpy(dst, src, vsize);
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dst += vsize;
|
src += stride;
|
}
|
}
|
}
|
|
void glUtilsWritePackPointerData(void* _stream, unsigned char *src,
|
int size, GLenum type, unsigned int stride,
|
unsigned int datalen)
|
{
|
IOStream* stream = reinterpret_cast<IOStream*>(_stream);
|
|
unsigned int vsize = size * glSizeof(type);
|
if (stride == 0) stride = vsize;
|
|
if (stride == vsize) {
|
stream->writeFully(src, datalen);
|
} else {
|
for (unsigned int i = 0; i < datalen; i += vsize) {
|
stream->writeFully(src, (size_t)vsize);
|
src += stride;
|
}
|
}
|
}
|
|
#ifndef GL_RGBA16F
|
#define GL_RGBA16F 0x881A
|
#endif // GL_RGBA16F
|
|
int glUtilsPixelBitSize(GLenum format, GLenum type)
|
{
|
int components = 0;
|
int componentsize = 0;
|
int pixelsize = 0;
|
switch(type) {
|
case GL_BYTE:
|
case GL_UNSIGNED_BYTE:
|
componentsize = 8;
|
break;
|
case GL_SHORT:
|
case GL_HALF_FLOAT:
|
case GL_UNSIGNED_SHORT:
|
componentsize = 16;
|
break;
|
case GL_INT:
|
case GL_UNSIGNED_INT:
|
case GL_FLOAT:
|
case GL_FIXED:
|
componentsize = 32;
|
break;
|
case GL_UNSIGNED_SHORT_5_6_5:
|
case GL_UNSIGNED_SHORT_4_4_4_4:
|
case GL_UNSIGNED_SHORT_5_5_5_1:
|
case GL_RGB565_OES:
|
case GL_RGB5_A1_OES:
|
case GL_RGBA4_OES:
|
pixelsize = 16;
|
break;
|
case GL_UNSIGNED_INT_2_10_10_10_REV:
|
case GL_UNSIGNED_INT_24_8_OES:
|
pixelsize = 32;
|
break;
|
default:
|
ERR("glUtilsPixelBitSize: unknown pixel type %d - assuming pixel data 0\n", type);
|
componentsize = 0;
|
}
|
|
if (pixelsize == 0) {
|
switch(format) {
|
#if 0
|
case GL_RED:
|
case GL_GREEN:
|
case GL_BLUE:
|
#endif
|
case GL_ALPHA:
|
case GL_LUMINANCE:
|
case GL_DEPTH_COMPONENT:
|
case GL_DEPTH_STENCIL_OES:
|
components = 1;
|
break;
|
case GL_LUMINANCE_ALPHA:
|
components = 2;
|
break;
|
case GL_RGB:
|
#if 0
|
case GL_BGR:
|
#endif
|
components = 3;
|
break;
|
case GL_RGBA:
|
case GL_BGRA_EXT:
|
components = 4;
|
break;
|
case GL_RGBA16F:
|
pixelsize = 64;
|
break;
|
default:
|
ERR("glUtilsPixelBitSize: unknown pixel format %d\n", format);
|
components = 0;
|
}
|
if (pixelsize == 0) {
|
pixelsize = components * componentsize;
|
}
|
}
|
|
return pixelsize;
|
}
|
|
// pack a list of strings into one.
|
void glUtilsPackStrings(char *ptr, char **strings, GLint *length, GLsizei count)
|
{
|
char *p = ptr;
|
*p = '\0';
|
for (int i = 0; i < count; i++) {
|
int l=0;
|
if (strings[i]!=NULL) {
|
if (length == NULL || length[i] < 0) {
|
l = strlen(strings[i]);
|
strcat(p, strings[i]);
|
} else {
|
l = length[i];
|
strncat(p, strings[i], l);
|
}
|
}
|
p += l;
|
}
|
}
|
|
// claculate the length of a list of strings
|
int glUtilsCalcShaderSourceLen( char **strings, GLint *length, GLsizei count)
|
{
|
int len = 0;
|
for (int i = 0; i < count; i++) {
|
int l;
|
if (length == NULL || length[i] < 0) {
|
l = strings[i]!=NULL ? strlen(strings[i]) : 0;
|
} else {
|
l = length[i];
|
}
|
len += l;
|
}
|
return len;
|
|
}
|
|
// helper to get GL_COLOR_ATTACHMENTn names
|
GLenum glUtilsColorAttachmentName(int i) {
|
#undef COLOR_ATTACHMENT_CASE
|
#define COLOR_ATTACHMENT_CASE(i) \
|
case i: \
|
return GL_COLOR_ATTACHMENT##i; \
|
|
switch (i) {
|
COLOR_ATTACHMENT_CASE(0)
|
COLOR_ATTACHMENT_CASE(1)
|
COLOR_ATTACHMENT_CASE(2)
|
COLOR_ATTACHMENT_CASE(3)
|
COLOR_ATTACHMENT_CASE(4)
|
COLOR_ATTACHMENT_CASE(5)
|
COLOR_ATTACHMENT_CASE(6)
|
COLOR_ATTACHMENT_CASE(7)
|
COLOR_ATTACHMENT_CASE(8)
|
COLOR_ATTACHMENT_CASE(9)
|
COLOR_ATTACHMENT_CASE(10)
|
COLOR_ATTACHMENT_CASE(11)
|
COLOR_ATTACHMENT_CASE(12)
|
COLOR_ATTACHMENT_CASE(13)
|
COLOR_ATTACHMENT_CASE(14)
|
COLOR_ATTACHMENT_CASE(15)
|
}
|
return GL_NONE;
|
#undef COLOR_ATTACHMENT_CASE
|
}
|
|
int glUtilsColorAttachmentIndex(GLenum attachment) {
|
#undef COLOR_ATTACHMENT_CASE
|
#define COLOR_ATTACHMENT_CASE(i) \
|
case GL_COLOR_ATTACHMENT##i: \
|
return i; \
|
|
switch (attachment) {
|
COLOR_ATTACHMENT_CASE(0)
|
COLOR_ATTACHMENT_CASE(1)
|
COLOR_ATTACHMENT_CASE(2)
|
COLOR_ATTACHMENT_CASE(3)
|
COLOR_ATTACHMENT_CASE(4)
|
COLOR_ATTACHMENT_CASE(5)
|
COLOR_ATTACHMENT_CASE(6)
|
COLOR_ATTACHMENT_CASE(7)
|
COLOR_ATTACHMENT_CASE(8)
|
COLOR_ATTACHMENT_CASE(9)
|
COLOR_ATTACHMENT_CASE(10)
|
COLOR_ATTACHMENT_CASE(11)
|
COLOR_ATTACHMENT_CASE(12)
|
COLOR_ATTACHMENT_CASE(13)
|
COLOR_ATTACHMENT_CASE(14)
|
COLOR_ATTACHMENT_CASE(15)
|
}
|
return -1;
|
#undef COLOR_ATTACHMENT_CASE
|
}
|
|
struct glUtilsDrawArraysIndirectCommand {
|
GLuint count;
|
GLuint primCount;
|
GLuint first;
|
GLuint reserved;
|
};
|
|
struct glUtilsDrawElementsIndirectCommand {
|
GLuint count;
|
GLuint primCount;
|
GLuint first;
|
GLint baseVertex;
|
GLuint reserved;
|
};
|
|
GLuint glUtilsIndirectStructSize(IndirectCommandType cmdType) {
|
switch (cmdType) {
|
case INDIRECT_COMMAND_DRAWARRAYS:
|
return sizeof(glUtilsDrawArraysIndirectCommand);
|
case INDIRECT_COMMAND_DRAWELEMENTS:
|
return sizeof(glUtilsDrawElementsIndirectCommand);
|
}
|
return 4;
|
}
|
