--- /dev/null
+/*
+* Copyright (C) 2011 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.
+*/
+#include "glUtils.h"
+
+#include "ErrorLog.h"
+
+#include <string.h>
+
+size_t glSizeof(GLenum type)
+{
+ size_t retval = 0;
+ switch(type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ retval = 1;
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_HALF_FLOAT_OES:
+ retval = 2;
+ break;
+ case GL_INT:
+ case GL_FLOAT:
+ case GL_FIXED:
+ case GL_BOOL:
+ retval = 4;
+ break;
+#ifdef GL_DOUBLE
+ case GL_DOUBLE:
+ retval = 8;
+ break;
+#endif
+ case GL_FLOAT_VEC2:
+ case GL_INT_VEC2:
+ case GL_BOOL_VEC2:
+ retval = 8;
+ break;
+ case GL_INT_VEC3:
+ case GL_BOOL_VEC3:
+ case GL_FLOAT_VEC3:
+ retval = 12;
+ break;
+ case GL_FLOAT_VEC4:
+ case GL_BOOL_VEC4:
+ case GL_INT_VEC4:
+ case GL_FLOAT_MAT2:
+ retval = 16;
+ break;
+ case GL_FLOAT_MAT3:
+ retval = 36;
+ break;
+ case GL_FLOAT_MAT4:
+ retval = 64;
+ break;
+ case GL_SAMPLER_2D:
+ case GL_SAMPLER_CUBE:
+ retval = 4;
+ break;
+ default:
+ ERR("**** ERROR unknown type 0x%x (%s,%d)\n", type, __FUNCTION__,__LINE__);
+ }
+ return retval;
+
+}
+
+size_t glUtilsParamSize(GLenum param)
+{
+ size_t s = 0;
+
+ switch(param)
+ {
+ case GL_DEPTH_TEST:
+ case GL_DEPTH_FUNC:
+ case GL_DEPTH_BITS:
+ case GL_MAX_CLIP_PLANES:
+ case GL_GREEN_BITS:
+ case GL_MAX_MODELVIEW_STACK_DEPTH:
+ case GL_MAX_PROJECTION_STACK_DEPTH:
+ case GL_MAX_TEXTURE_STACK_DEPTH:
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
+ case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+ case GL_MAX_TEXTURE_SIZE:
+ case GL_TEXTURE_GEN_MODE_OES:
+ case GL_TEXTURE_ENV_MODE:
+ case GL_FOG_MODE:
+ case GL_FOG_DENSITY:
+ case GL_FOG_START:
+ case GL_FOG_END:
+ case GL_SPOT_EXPONENT:
+ case GL_CONSTANT_ATTENUATION:
+ case GL_LINEAR_ATTENUATION:
+ case GL_QUADRATIC_ATTENUATION:
+ case GL_SHININESS:
+ case GL_LIGHT_MODEL_TWO_SIDE:
+ case GL_POINT_SIZE:
+ case GL_POINT_SIZE_MIN:
+ case GL_POINT_SIZE_MAX:
+ case GL_POINT_FADE_THRESHOLD_SIZE:
+ case GL_CULL_FACE_MODE:
+ case GL_FRONT_FACE:
+ case GL_SHADE_MODEL:
+ case GL_DEPTH_WRITEMASK:
+ case GL_DEPTH_CLEAR_VALUE:
+ case GL_STENCIL_FAIL:
+ case GL_STENCIL_PASS_DEPTH_FAIL:
+ case GL_STENCIL_PASS_DEPTH_PASS:
+ case GL_STENCIL_REF:
+ case GL_STENCIL_WRITEMASK:
+ case GL_MATRIX_MODE:
+ case GL_MODELVIEW_STACK_DEPTH:
+ case GL_PROJECTION_STACK_DEPTH:
+ case GL_TEXTURE_STACK_DEPTH:
+ case GL_ALPHA_TEST_FUNC:
+ case GL_ALPHA_TEST_REF:
+ case GL_ALPHA_TEST:
+ case GL_BLEND_DST:
+ case GL_BLEND_SRC:
+ case GL_BLEND:
+ case GL_LOGIC_OP_MODE:
+ case GL_SCISSOR_TEST:
+ case GL_MAX_TEXTURE_UNITS:
+ case GL_ACTIVE_TEXTURE:
+ case GL_ALPHA_BITS:
+ case GL_ARRAY_BUFFER_BINDING:
+ case GL_BLUE_BITS:
+ case GL_CLIENT_ACTIVE_TEXTURE:
+ case GL_CLIP_PLANE0:
+ case GL_CLIP_PLANE1:
+ case GL_CLIP_PLANE2:
+ case GL_CLIP_PLANE3:
+ case GL_CLIP_PLANE4:
+ case GL_CLIP_PLANE5:
+ case GL_COLOR_ARRAY:
+ case GL_COLOR_ARRAY_BUFFER_BINDING:
+ case GL_COLOR_ARRAY_SIZE:
+ case GL_COLOR_ARRAY_STRIDE:
+ case GL_COLOR_ARRAY_TYPE:
+ case GL_COLOR_LOGIC_OP:
+ case GL_COLOR_MATERIAL:
+ case GL_PACK_ALIGNMENT:
+ case GL_PERSPECTIVE_CORRECTION_HINT:
+ case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
+ case GL_POINT_SIZE_ARRAY_STRIDE_OES:
+ case GL_POINT_SIZE_ARRAY_TYPE_OES:
+ case GL_POINT_SMOOTH:
+ case GL_POINT_SMOOTH_HINT:
+ case GL_POINT_SPRITE_OES:
+ case GL_COORD_REPLACE_OES:
+ case GL_COMBINE_ALPHA:
+ case GL_SRC0_RGB:
+ case GL_SRC1_RGB:
+ case GL_SRC2_RGB:
+ case GL_OPERAND0_RGB:
+ case GL_OPERAND1_RGB:
+ case GL_OPERAND2_RGB:
+ case GL_SRC0_ALPHA:
+ case GL_SRC1_ALPHA:
+ case GL_SRC2_ALPHA:
+ case GL_OPERAND0_ALPHA:
+ case GL_OPERAND1_ALPHA:
+ case GL_OPERAND2_ALPHA:
+ case GL_RGB_SCALE:
+ case GL_ALPHA_SCALE:
+ case GL_COMBINE_RGB:
+ case GL_POLYGON_OFFSET_FACTOR:
+ case GL_POLYGON_OFFSET_FILL:
+ case GL_POLYGON_OFFSET_UNITS:
+ case GL_RED_BITS:
+ case GL_RESCALE_NORMAL:
+ case GL_SAMPLE_ALPHA_TO_COVERAGE:
+ case GL_SAMPLE_ALPHA_TO_ONE:
+ case GL_SAMPLE_BUFFERS:
+ case GL_SAMPLE_COVERAGE:
+ case GL_SAMPLE_COVERAGE_INVERT:
+ case GL_SAMPLE_COVERAGE_VALUE:
+ case GL_SAMPLES:
+ case GL_STENCIL_BITS:
+ case GL_STENCIL_CLEAR_VALUE:
+ case GL_STENCIL_FUNC:
+ case GL_STENCIL_TEST:
+ case GL_STENCIL_VALUE_MASK:
+ case GL_STENCIL_BACK_FUNC:
+ case GL_STENCIL_BACK_VALUE_MASK:
+ case GL_STENCIL_BACK_REF:
+ case GL_STENCIL_BACK_FAIL:
+ case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
+ case GL_STENCIL_BACK_PASS_DEPTH_PASS:
+ case GL_STENCIL_BACK_WRITEMASK:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_BINDING_2D:
+ case GL_TEXTURE_BINDING_CUBE_MAP:
+ case GL_TEXTURE_BINDING_EXTERNAL_OES:
+ case GL_TEXTURE_COORD_ARRAY:
+ case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
+ case GL_TEXTURE_COORD_ARRAY_SIZE:
+ case GL_TEXTURE_COORD_ARRAY_STRIDE:
+ case GL_TEXTURE_COORD_ARRAY_TYPE:
+ case GL_UNPACK_ALIGNMENT:
+ case GL_VERTEX_ARRAY:
+ case GL_VERTEX_ARRAY_BUFFER_BINDING:
+ case GL_VERTEX_ARRAY_SIZE:
+ case GL_VERTEX_ARRAY_STRIDE:
+ case GL_VERTEX_ARRAY_TYPE:
+ case GL_SPOT_CUTOFF:
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_GENERATE_MIPMAP:
+ case GL_GENERATE_MIPMAP_HINT:
+ case GL_RENDERBUFFER_WIDTH_OES:
+ case GL_RENDERBUFFER_HEIGHT_OES:
+ case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
+ case GL_RENDERBUFFER_RED_SIZE_OES:
+ case GL_RENDERBUFFER_GREEN_SIZE_OES:
+ case GL_RENDERBUFFER_BLUE_SIZE_OES:
+ case GL_RENDERBUFFER_ALPHA_SIZE_OES:
+ case GL_RENDERBUFFER_DEPTH_SIZE_OES:
+ case GL_RENDERBUFFER_STENCIL_SIZE_OES:
+ case GL_RENDERBUFFER_BINDING:
+ case GL_FRAMEBUFFER_BINDING:
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_OES:
+ case GL_FENCE_STATUS_NV:
+ case GL_FENCE_CONDITION_NV:
+ case GL_TEXTURE_WIDTH_QCOM:
+ case GL_TEXTURE_HEIGHT_QCOM:
+ case GL_TEXTURE_DEPTH_QCOM:
+ case GL_TEXTURE_INTERNAL_FORMAT_QCOM:
+ case GL_TEXTURE_FORMAT_QCOM:
+ case GL_TEXTURE_TYPE_QCOM:
+ case GL_TEXTURE_IMAGE_VALID_QCOM:
+ case GL_TEXTURE_NUM_LEVELS_QCOM:
+ case GL_TEXTURE_TARGET_QCOM:
+ case GL_TEXTURE_OBJECT_VALID_QCOM:
+ case GL_BLEND_EQUATION_RGB_OES:
+ case GL_BLEND_EQUATION_ALPHA_OES:
+ case GL_BLEND_DST_RGB_OES:
+ case GL_BLEND_SRC_RGB_OES:
+ case GL_BLEND_DST_ALPHA_OES:
+ case GL_BLEND_SRC_ALPHA_OES:
+ case GL_MAX_LIGHTS:
+ case GL_SHADER_TYPE:
+ case GL_DELETE_STATUS:
+ case GL_COMPILE_STATUS:
+ case GL_INFO_LOG_LENGTH:
+ case GL_SHADER_SOURCE_LENGTH:
+ case GL_CURRENT_PROGRAM:
+ case GL_LINK_STATUS:
+ case GL_VALIDATE_STATUS:
+ case GL_ATTACHED_SHADERS:
+ case GL_ACTIVE_UNIFORMS:
+ case GL_ACTIVE_ATTRIBUTES:
+ case GL_SUBPIXEL_BITS:
+ case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
+ case GL_NUM_SHADER_BINARY_FORMATS:
+ case GL_SHADER_COMPILER:
+ case GL_MAX_VERTEX_ATTRIBS:
+ case GL_MAX_VERTEX_UNIFORM_VECTORS:
+ case GL_MAX_VARYING_VECTORS:
+ case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+ case GL_MAX_RENDERBUFFER_SIZE:
+ case GL_MAX_TEXTURE_IMAGE_UNITS:
+ case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+ case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
+ case GL_LINE_WIDTH:
+ s = 1;
+ break;
+ case GL_ALIASED_LINE_WIDTH_RANGE:
+ 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:
+ s= 2;
+ break;
+ case GL_SPOT_DIRECTION:
+ case GL_POINT_DISTANCE_ATTENUATION:
+ case GL_CURRENT_NORMAL:
+ s = 3;
+ break;
+ 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:
+ s = 4;
+ break;
+ case GL_MODELVIEW_MATRIX:
+ case GL_PROJECTION_MATRIX:
+ case GL_TEXTURE_MATRIX:
+ s = 16;
+ break;
+ default:
+ ERR("glUtilsParamSize: unknow param 0x%08x\n", param);
+ s = 1; // assume 1
+ }
+ return s;
+}
+
+void glUtilsPackPointerData(unsigned char *dst, unsigned char *src,
+ int size, GLenum type, unsigned int stride,
+ unsigned int datalen)
+{
+ unsigned int vsize = size * glSizeof(type);
+ 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);
+ dst += vsize;
+ src += stride;
+ }
+ }
+}
+
+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_UNSIGNED_SHORT:
+ 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_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ case GL_FIXED:
+ case GL_UNSIGNED_INT_24_8_OES:
+ pixelsize = 32;
+ break;
+ default:
+ ERR("glUtilsPixelBitSize: unknown pixel type - assuming pixel data 0\n");
+ 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;
+ default:
+ ERR("glUtilsPixelBitSize: unknown pixel format...\n");
+ components = 0;
+ }
+ pixelsize = components * componentsize;
+ }
+
+ return pixelsize;
+}
Code Review / iec.git / blobdiff