diff options
Diffstat (limited to 'opengl/libagl/mipmap.cpp')
| -rw-r--r-- | opengl/libagl/mipmap.cpp | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/opengl/libagl/mipmap.cpp b/opengl/libagl/mipmap.cpp deleted file mode 100644 index e142a58..0000000 --- a/opengl/libagl/mipmap.cpp +++ /dev/null @@ -1,192 +0,0 @@ -/* libs/opengles/mipmap.cpp -** -** Copyright 2006, 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 <stdio.h> -#include <stdlib.h> - -#include "context.h" -#include "state.h" -#include "texture.h" -#include "TextureObjectManager.h" - -namespace android { - -// ---------------------------------------------------------------------------- - -status_t buildAPyramid(ogles_context_t* c, EGLTextureObject* tex) -{ - int level = 0; - const GGLSurface* base = &tex->surface; - const GGLFormat& pixelFormat(c->rasterizer.formats[base->format]); - - int w = base->width; - int h = base->height; - if ((w&h) == 1) - return NO_ERROR; - - w = (w>>1) ? : 1; - h = (h>>1) ? : 1; - - while(true) { - ++level; - const int bpr = w * pixelFormat.size; - if (tex->reallocate(level, w, h, w, - base->format, base->compressedFormat, bpr) != NO_ERROR) { - return NO_MEMORY; - } - - int stride = w; - int bs = base->stride; - GGLSurface& cur = tex->editMip(level); - - if (base->format == GGL_PIXEL_FORMAT_RGB_565) - { - uint16_t const * src = (uint16_t const *)base->data; - uint16_t* dst = (uint16_t*)cur.data; - const uint32_t mask = 0x07E0F81F; - for (int y=0 ; y<h ; y++) { - size_t offset = (y*2) * bs; - for (int x=0 ; x<w ; x++) { - uint32_t p00 = src[offset]; - uint32_t p10 = src[offset+1]; - uint32_t p01 = src[offset+bs]; - uint32_t p11 = src[offset+bs+1]; - p00 = (p00 | (p00 << 16)) & mask; - p01 = (p01 | (p01 << 16)) & mask; - p10 = (p10 | (p10 << 16)) & mask; - p11 = (p11 | (p11 << 16)) & mask; - uint32_t grb = ((p00 + p10 + p01 + p11) >> 2) & mask; - uint32_t rgb = (grb & 0xFFFF) | (grb >> 16); - dst[x + y*stride] = rgb; - offset += 2; - } - } - } - else if (base->format == GGL_PIXEL_FORMAT_RGBA_5551) - { - uint16_t const * src = (uint16_t const *)base->data; - uint16_t* dst = (uint16_t*)cur.data; - for (int y=0 ; y<h ; y++) { - size_t offset = (y*2) * bs; - for (int x=0 ; x<w ; x++) { - uint32_t p00 = src[offset]; - uint32_t p10 = src[offset+1]; - uint32_t p01 = src[offset+bs]; - uint32_t p11 = src[offset+bs+1]; - uint32_t r = ((p00>>11)+(p10>>11)+(p01>>11)+(p11>>11)+2)>>2; - uint32_t g = (((p00>>6)+(p10>>6)+(p01>>6)+(p11>>6)+2)>>2)&0x3F; - uint32_t b = ((p00&0x3E)+(p10&0x3E)+(p01&0x3E)+(p11&0x3E)+4)>>3; - uint32_t a = ((p00&1)+(p10&1)+(p01&1)+(p11&1)+2)>>2; - dst[x + y*stride] = (r<<11)|(g<<6)|(b<<1)|a; - offset += 2; - } - } - } - else if (base->format == GGL_PIXEL_FORMAT_RGBA_8888) - { - uint32_t const * src = (uint32_t const *)base->data; - uint32_t* dst = (uint32_t*)cur.data; - for (int y=0 ; y<h ; y++) { - size_t offset = (y*2) * bs; - for (int x=0 ; x<w ; x++) { - uint32_t p00 = src[offset]; - uint32_t p10 = src[offset+1]; - uint32_t p01 = src[offset+bs]; - uint32_t p11 = src[offset+bs+1]; - uint32_t rb00 = p00 & 0x00FF00FF; - uint32_t rb01 = p01 & 0x00FF00FF; - uint32_t rb10 = p10 & 0x00FF00FF; - uint32_t rb11 = p11 & 0x00FF00FF; - uint32_t ga00 = (p00 >> 8) & 0x00FF00FF; - uint32_t ga01 = (p01 >> 8) & 0x00FF00FF; - uint32_t ga10 = (p10 >> 8) & 0x00FF00FF; - uint32_t ga11 = (p11 >> 8) & 0x00FF00FF; - uint32_t rb = (rb00 + rb01 + rb10 + rb11)>>2; - uint32_t ga = (ga00 + ga01 + ga10 + ga11)>>2; - uint32_t rgba = (rb & 0x00FF00FF) | ((ga & 0x00FF00FF)<<8); - dst[x + y*stride] = rgba; - offset += 2; - } - } - } - else if ((base->format == GGL_PIXEL_FORMAT_RGB_888) || - (base->format == GGL_PIXEL_FORMAT_LA_88) || - (base->format == GGL_PIXEL_FORMAT_A_8) || - (base->format == GGL_PIXEL_FORMAT_L_8)) - { - int skip; - switch (base->format) { - case GGL_PIXEL_FORMAT_RGB_888: skip = 3; break; - case GGL_PIXEL_FORMAT_LA_88: skip = 2; break; - default: skip = 1; break; - } - uint8_t const * src = (uint8_t const *)base->data; - uint8_t* dst = (uint8_t*)cur.data; - bs *= skip; - stride *= skip; - for (int y=0 ; y<h ; y++) { - size_t offset = (y*2) * bs; - for (int x=0 ; x<w ; x++) { - for (int c=0 ; c<skip ; c++) { - uint32_t p00 = src[c+offset]; - uint32_t p10 = src[c+offset+skip]; - uint32_t p01 = src[c+offset+bs]; - uint32_t p11 = src[c+offset+bs+skip]; - dst[x + y*stride + c] = (p00 + p10 + p01 + p11) >> 2; - } - offset += 2*skip; - } - } - } - else if (base->format == GGL_PIXEL_FORMAT_RGBA_4444) - { - uint16_t const * src = (uint16_t const *)base->data; - uint16_t* dst = (uint16_t*)cur.data; - for (int y=0 ; y<h ; y++) { - size_t offset = (y*2) * bs; - for (int x=0 ; x<w ; x++) { - uint32_t p00 = src[offset]; - uint32_t p10 = src[offset+1]; - uint32_t p01 = src[offset+bs]; - uint32_t p11 = src[offset+bs+1]; - p00 = ((p00 << 12) & 0x0F0F0000) | (p00 & 0x0F0F); - p10 = ((p10 << 12) & 0x0F0F0000) | (p10 & 0x0F0F); - p01 = ((p01 << 12) & 0x0F0F0000) | (p01 & 0x0F0F); - p11 = ((p11 << 12) & 0x0F0F0000) | (p11 & 0x0F0F); - uint32_t rbga = (p00 + p10 + p01 + p11) >> 2; - uint32_t rgba = (rbga & 0x0F0F) | ((rbga>>12) & 0xF0F0); - dst[x + y*stride] = rgba; - offset += 2; - } - } - } else { - ALOGE("Unsupported format (%d)", base->format); - return BAD_TYPE; - } - - // exit condition: we just processed the 1x1 LODs - if ((w&h) == 1) - break; - - base = &cur; - w = (w>>1) ? : 1; - h = (h>>1) ? : 1; - } - return NO_ERROR; -} - -}; // namespace android |