1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/GLUploadHelpers.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,557 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "GLUploadHelpers.h"
1.10 +
1.11 +#include "GLContext.h"
1.12 +#include "mozilla/gfx/2D.h"
1.13 +#include "mozilla/gfx/Tools.h" // For BytesPerPixel
1.14 +#include "nsRegion.h"
1.15 +
1.16 +namespace mozilla {
1.17 +
1.18 +using namespace gfx;
1.19 +
1.20 +namespace gl {
1.21 +
1.22 +/* These two techniques are suggested by "Bit Twiddling Hacks"
1.23 + */
1.24 +
1.25 +/**
1.26 + * Returns true if |aNumber| is a power of two
1.27 + * 0 is incorreclty considered a power of two
1.28 + */
1.29 +static bool
1.30 +IsPowerOfTwo(int aNumber)
1.31 +{
1.32 + return (aNumber & (aNumber - 1)) == 0;
1.33 +}
1.34 +
1.35 +/**
1.36 + * Returns the first integer greater than |aNumber| which is a power of two
1.37 + * Undefined for |aNumber| < 0
1.38 + */
1.39 +static int
1.40 +NextPowerOfTwo(int aNumber)
1.41 +{
1.42 +#if defined(__arm__)
1.43 + return 1 << (32 - __builtin_clz(aNumber - 1));
1.44 +#else
1.45 + --aNumber;
1.46 + aNumber |= aNumber >> 1;
1.47 + aNumber |= aNumber >> 2;
1.48 + aNumber |= aNumber >> 4;
1.49 + aNumber |= aNumber >> 8;
1.50 + aNumber |= aNumber >> 16;
1.51 + return ++aNumber;
1.52 +#endif
1.53 +}
1.54 +
1.55 +static unsigned int
1.56 +DataOffset(const nsIntPoint &aPoint, int32_t aStride, SurfaceFormat aFormat)
1.57 +{
1.58 + unsigned int data = aPoint.y * aStride;
1.59 + data += aPoint.x * BytesPerPixel(aFormat);
1.60 + return data;
1.61 +}
1.62 +
1.63 +static GLint GetAddressAlignment(ptrdiff_t aAddress)
1.64 +{
1.65 + if (!(aAddress & 0x7)) {
1.66 + return 8;
1.67 + } else if (!(aAddress & 0x3)) {
1.68 + return 4;
1.69 + } else if (!(aAddress & 0x1)) {
1.70 + return 2;
1.71 + } else {
1.72 + return 1;
1.73 + }
1.74 +}
1.75 +
1.76 +// Take texture data in a given buffer and copy it into a larger buffer,
1.77 +// padding out the edge pixels for filtering if necessary
1.78 +static void
1.79 +CopyAndPadTextureData(const GLvoid* srcBuffer,
1.80 + GLvoid* dstBuffer,
1.81 + GLsizei srcWidth, GLsizei srcHeight,
1.82 + GLsizei dstWidth, GLsizei dstHeight,
1.83 + GLsizei stride, GLint pixelsize)
1.84 +{
1.85 + unsigned char *rowDest = static_cast<unsigned char*>(dstBuffer);
1.86 + const unsigned char *source = static_cast<const unsigned char*>(srcBuffer);
1.87 +
1.88 + for (GLsizei h = 0; h < srcHeight; ++h) {
1.89 + memcpy(rowDest, source, srcWidth * pixelsize);
1.90 + rowDest += dstWidth * pixelsize;
1.91 + source += stride;
1.92 + }
1.93 +
1.94 + GLsizei padHeight = srcHeight;
1.95 +
1.96 + // Pad out an extra row of pixels so that edge filtering doesn't use garbage data
1.97 + if (dstHeight > srcHeight) {
1.98 + memcpy(rowDest, source - stride, srcWidth * pixelsize);
1.99 + padHeight++;
1.100 + }
1.101 +
1.102 + // Pad out an extra column of pixels
1.103 + if (dstWidth > srcWidth) {
1.104 + rowDest = static_cast<unsigned char*>(dstBuffer) + srcWidth * pixelsize;
1.105 + for (GLsizei h = 0; h < padHeight; ++h) {
1.106 + memcpy(rowDest, rowDest - pixelsize, pixelsize);
1.107 + rowDest += dstWidth * pixelsize;
1.108 + }
1.109 + }
1.110 +}
1.111 +
1.112 +// In both of these cases (for the Adreno at least) it is impossible
1.113 +// to determine good or bad driver versions for POT texture uploads,
1.114 +// so blacklist them all. Newer drivers use a different rendering
1.115 +// string in the form "Adreno (TM) 200" and the drivers we've seen so
1.116 +// far work fine with NPOT textures, so don't blacklist those until we
1.117 +// have evidence of any problems with them.
1.118 +bool
1.119 +CanUploadSubTextures(GLContext* gl)
1.120 +{
1.121 + if (!gl->WorkAroundDriverBugs())
1.122 + return true;
1.123 +
1.124 + // There are certain GPUs that we don't want to use glTexSubImage2D on
1.125 + // because that function can be very slow and/or buggy
1.126 + if (gl->Renderer() == GLRenderer::Adreno200 ||
1.127 + gl->Renderer() == GLRenderer::Adreno205)
1.128 + {
1.129 + return false;
1.130 + }
1.131 +
1.132 + // On PowerVR glTexSubImage does a readback, so it will be slower
1.133 + // than just doing a glTexImage2D() directly. i.e. 26ms vs 10ms
1.134 + if (gl->Renderer() == GLRenderer::SGX540 ||
1.135 + gl->Renderer() == GLRenderer::SGX530)
1.136 + {
1.137 + return false;
1.138 + }
1.139 +
1.140 + return true;
1.141 +}
1.142 +
1.143 +static void
1.144 +TexSubImage2DWithUnpackSubimageGLES(GLContext* gl,
1.145 + GLenum target, GLint level,
1.146 + GLint xoffset, GLint yoffset,
1.147 + GLsizei width, GLsizei height,
1.148 + GLsizei stride, GLint pixelsize,
1.149 + GLenum format, GLenum type,
1.150 + const GLvoid* pixels)
1.151 +{
1.152 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.153 + std::min(GetAddressAlignment((ptrdiff_t)pixels),
1.154 + GetAddressAlignment((ptrdiff_t)stride)));
1.155 + // When using GL_UNPACK_ROW_LENGTH, we need to work around a Tegra
1.156 + // driver crash where the driver apparently tries to read
1.157 + // (stride - width * pixelsize) bytes past the end of the last input
1.158 + // row. We only upload the first height-1 rows using GL_UNPACK_ROW_LENGTH,
1.159 + // and then we upload the final row separately. See bug 697990.
1.160 + int rowLength = stride/pixelsize;
1.161 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
1.162 + gl->fTexSubImage2D(target,
1.163 + level,
1.164 + xoffset,
1.165 + yoffset,
1.166 + width,
1.167 + height-1,
1.168 + format,
1.169 + type,
1.170 + pixels);
1.171 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
1.172 + gl->fTexSubImage2D(target,
1.173 + level,
1.174 + xoffset,
1.175 + yoffset+height-1,
1.176 + width,
1.177 + 1,
1.178 + format,
1.179 + type,
1.180 + (const unsigned char *)pixels+(height-1)*stride);
1.181 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.182 +}
1.183 +
1.184 +static void
1.185 +TexSubImage2DWithoutUnpackSubimage(GLContext* gl,
1.186 + GLenum target, GLint level,
1.187 + GLint xoffset, GLint yoffset,
1.188 + GLsizei width, GLsizei height,
1.189 + GLsizei stride, GLint pixelsize,
1.190 + GLenum format, GLenum type,
1.191 + const GLvoid* pixels)
1.192 +{
1.193 + // Not using the whole row of texture data and GL_UNPACK_ROW_LENGTH
1.194 + // isn't supported. We make a copy of the texture data we're using,
1.195 + // such that we're using the whole row of data in the copy. This turns
1.196 + // out to be more efficient than uploading row-by-row; see bug 698197.
1.197 + unsigned char *newPixels = new unsigned char[width*height*pixelsize];
1.198 + unsigned char *rowDest = newPixels;
1.199 + const unsigned char *rowSource = (const unsigned char *)pixels;
1.200 + for (int h = 0; h < height; h++) {
1.201 + memcpy(rowDest, rowSource, width*pixelsize);
1.202 + rowDest += width*pixelsize;
1.203 + rowSource += stride;
1.204 + }
1.205 +
1.206 + stride = width*pixelsize;
1.207 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.208 + std::min(GetAddressAlignment((ptrdiff_t)newPixels),
1.209 + GetAddressAlignment((ptrdiff_t)stride)));
1.210 + gl->fTexSubImage2D(target,
1.211 + level,
1.212 + xoffset,
1.213 + yoffset,
1.214 + width,
1.215 + height,
1.216 + format,
1.217 + type,
1.218 + newPixels);
1.219 + delete [] newPixels;
1.220 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.221 +}
1.222 +
1.223 +static void
1.224 +TexSubImage2DHelper(GLContext *gl,
1.225 + GLenum target, GLint level,
1.226 + GLint xoffset, GLint yoffset,
1.227 + GLsizei width, GLsizei height, GLsizei stride,
1.228 + GLint pixelsize, GLenum format,
1.229 + GLenum type, const GLvoid* pixels)
1.230 +{
1.231 + if (gl->IsGLES()) {
1.232 + if (stride == width * pixelsize) {
1.233 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.234 + std::min(GetAddressAlignment((ptrdiff_t)pixels),
1.235 + GetAddressAlignment((ptrdiff_t)stride)));
1.236 + gl->fTexSubImage2D(target,
1.237 + level,
1.238 + xoffset,
1.239 + yoffset,
1.240 + width,
1.241 + height,
1.242 + format,
1.243 + type,
1.244 + pixels);
1.245 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.246 + } else if (gl->IsExtensionSupported(GLContext::EXT_unpack_subimage)) {
1.247 + TexSubImage2DWithUnpackSubimageGLES(gl, target, level, xoffset, yoffset,
1.248 + width, height, stride,
1.249 + pixelsize, format, type, pixels);
1.250 +
1.251 + } else {
1.252 + TexSubImage2DWithoutUnpackSubimage(gl, target, level, xoffset, yoffset,
1.253 + width, height, stride,
1.254 + pixelsize, format, type, pixels);
1.255 + }
1.256 + } else {
1.257 + // desktop GL (non-ES) path
1.258 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.259 + std::min(GetAddressAlignment((ptrdiff_t)pixels),
1.260 + GetAddressAlignment((ptrdiff_t)stride)));
1.261 + int rowLength = stride/pixelsize;
1.262 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
1.263 + gl->fTexSubImage2D(target,
1.264 + level,
1.265 + xoffset,
1.266 + yoffset,
1.267 + width,
1.268 + height,
1.269 + format,
1.270 + type,
1.271 + pixels);
1.272 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
1.273 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.274 + }
1.275 +}
1.276 +
1.277 +static void
1.278 +TexImage2DHelper(GLContext *gl,
1.279 + GLenum target, GLint level, GLint internalformat,
1.280 + GLsizei width, GLsizei height, GLsizei stride,
1.281 + GLint pixelsize, GLint border, GLenum format,
1.282 + GLenum type, const GLvoid *pixels)
1.283 +{
1.284 + if (gl->IsGLES()) {
1.285 +
1.286 + NS_ASSERTION(format == (GLenum)internalformat,
1.287 + "format and internalformat not the same for glTexImage2D on GLES2");
1.288 +
1.289 + if (!CanUploadNonPowerOfTwo(gl)
1.290 + && (stride != width * pixelsize
1.291 + || !IsPowerOfTwo(width)
1.292 + || !IsPowerOfTwo(height))) {
1.293 +
1.294 + // Pad out texture width and height to the next power of two
1.295 + // as we don't support/want non power of two texture uploads
1.296 + GLsizei paddedWidth = NextPowerOfTwo(width);
1.297 + GLsizei paddedHeight = NextPowerOfTwo(height);
1.298 +
1.299 + GLvoid* paddedPixels = new unsigned char[paddedWidth * paddedHeight * pixelsize];
1.300 +
1.301 + // Pad out texture data to be in a POT sized buffer for uploading to
1.302 + // a POT sized texture
1.303 + CopyAndPadTextureData(pixels, paddedPixels, width, height,
1.304 + paddedWidth, paddedHeight, stride, pixelsize);
1.305 +
1.306 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.307 + std::min(GetAddressAlignment((ptrdiff_t)paddedPixels),
1.308 + GetAddressAlignment((ptrdiff_t)paddedWidth * pixelsize)));
1.309 + gl->fTexImage2D(target,
1.310 + border,
1.311 + internalformat,
1.312 + paddedWidth,
1.313 + paddedHeight,
1.314 + border,
1.315 + format,
1.316 + type,
1.317 + paddedPixels);
1.318 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.319 +
1.320 + delete[] static_cast<unsigned char*>(paddedPixels);
1.321 + return;
1.322 + }
1.323 +
1.324 + if (stride == width * pixelsize) {
1.325 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.326 + std::min(GetAddressAlignment((ptrdiff_t)pixels),
1.327 + GetAddressAlignment((ptrdiff_t)stride)));
1.328 + gl->fTexImage2D(target,
1.329 + border,
1.330 + internalformat,
1.331 + width,
1.332 + height,
1.333 + border,
1.334 + format,
1.335 + type,
1.336 + pixels);
1.337 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.338 + } else {
1.339 + // Use GLES-specific workarounds for GL_UNPACK_ROW_LENGTH; these are
1.340 + // implemented in TexSubImage2D.
1.341 + gl->fTexImage2D(target,
1.342 + border,
1.343 + internalformat,
1.344 + width,
1.345 + height,
1.346 + border,
1.347 + format,
1.348 + type,
1.349 + nullptr);
1.350 + TexSubImage2DHelper(gl,
1.351 + target,
1.352 + level,
1.353 + 0,
1.354 + 0,
1.355 + width,
1.356 + height,
1.357 + stride,
1.358 + pixelsize,
1.359 + format,
1.360 + type,
1.361 + pixels);
1.362 + }
1.363 + } else {
1.364 + // desktop GL (non-ES) path
1.365 +
1.366 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
1.367 + std::min(GetAddressAlignment((ptrdiff_t)pixels),
1.368 + GetAddressAlignment((ptrdiff_t)stride)));
1.369 + int rowLength = stride/pixelsize;
1.370 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
1.371 + gl->fTexImage2D(target,
1.372 + level,
1.373 + internalformat,
1.374 + width,
1.375 + height,
1.376 + border,
1.377 + format,
1.378 + type,
1.379 + pixels);
1.380 + gl->fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
1.381 + gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
1.382 + }
1.383 +}
1.384 +
1.385 +SurfaceFormat
1.386 +UploadImageDataToTexture(GLContext* gl,
1.387 + unsigned char* aData,
1.388 + int32_t aStride,
1.389 + SurfaceFormat aFormat,
1.390 + const nsIntRegion& aDstRegion,
1.391 + GLuint& aTexture,
1.392 + bool aOverwrite,
1.393 + bool aPixelBuffer,
1.394 + GLenum aTextureUnit,
1.395 + GLenum aTextureTarget)
1.396 +{
1.397 + bool textureInited = aOverwrite ? false : true;
1.398 + gl->MakeCurrent();
1.399 + gl->fActiveTexture(aTextureUnit);
1.400 +
1.401 + if (!aTexture) {
1.402 + gl->fGenTextures(1, &aTexture);
1.403 + gl->fBindTexture(aTextureTarget, aTexture);
1.404 + gl->fTexParameteri(aTextureTarget,
1.405 + LOCAL_GL_TEXTURE_MIN_FILTER,
1.406 + LOCAL_GL_LINEAR);
1.407 + gl->fTexParameteri(aTextureTarget,
1.408 + LOCAL_GL_TEXTURE_MAG_FILTER,
1.409 + LOCAL_GL_LINEAR);
1.410 + gl->fTexParameteri(aTextureTarget,
1.411 + LOCAL_GL_TEXTURE_WRAP_S,
1.412 + LOCAL_GL_CLAMP_TO_EDGE);
1.413 + gl->fTexParameteri(aTextureTarget,
1.414 + LOCAL_GL_TEXTURE_WRAP_T,
1.415 + LOCAL_GL_CLAMP_TO_EDGE);
1.416 + textureInited = false;
1.417 + } else {
1.418 + gl->fBindTexture(aTextureTarget, aTexture);
1.419 + }
1.420 +
1.421 + nsIntRegion paintRegion;
1.422 + if (!textureInited) {
1.423 + paintRegion = nsIntRegion(aDstRegion.GetBounds());
1.424 + } else {
1.425 + paintRegion = aDstRegion;
1.426 + }
1.427 +
1.428 + GLenum format = 0;
1.429 + GLenum internalFormat = 0;
1.430 + GLenum type = 0;
1.431 + int32_t pixelSize = BytesPerPixel(aFormat);
1.432 + SurfaceFormat surfaceFormat = gfx::SurfaceFormat::UNKNOWN;
1.433 +
1.434 + MOZ_ASSERT(gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA ||
1.435 + gl->GetPreferredARGB32Format() == LOCAL_GL_RGBA);
1.436 + switch (aFormat) {
1.437 + case SurfaceFormat::B8G8R8A8:
1.438 + if (gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA) {
1.439 + format = LOCAL_GL_BGRA;
1.440 + surfaceFormat = SurfaceFormat::R8G8B8A8;
1.441 + type = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
1.442 + } else {
1.443 + format = LOCAL_GL_RGBA;
1.444 + surfaceFormat = SurfaceFormat::B8G8R8A8;
1.445 + type = LOCAL_GL_UNSIGNED_BYTE;
1.446 + }
1.447 + internalFormat = LOCAL_GL_RGBA;
1.448 + break;
1.449 + case SurfaceFormat::B8G8R8X8:
1.450 + // Treat BGRX surfaces as BGRA except for the surface
1.451 + // format used.
1.452 + if (gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA) {
1.453 + format = LOCAL_GL_BGRA;
1.454 + surfaceFormat = SurfaceFormat::R8G8B8X8;
1.455 + type = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
1.456 + } else {
1.457 + format = LOCAL_GL_RGBA;
1.458 + surfaceFormat = SurfaceFormat::B8G8R8X8;
1.459 + type = LOCAL_GL_UNSIGNED_BYTE;
1.460 + }
1.461 + internalFormat = LOCAL_GL_RGBA;
1.462 + break;
1.463 + case SurfaceFormat::R5G6B5:
1.464 + internalFormat = format = LOCAL_GL_RGB;
1.465 + type = LOCAL_GL_UNSIGNED_SHORT_5_6_5;
1.466 + surfaceFormat = SurfaceFormat::R5G6B5;
1.467 + break;
1.468 + case SurfaceFormat::A8:
1.469 + internalFormat = format = LOCAL_GL_LUMINANCE;
1.470 + type = LOCAL_GL_UNSIGNED_BYTE;
1.471 + // We don't have a specific luminance shader
1.472 + surfaceFormat = SurfaceFormat::A8;
1.473 + break;
1.474 + default:
1.475 + NS_ASSERTION(false, "Unhandled image surface format!");
1.476 + }
1.477 +
1.478 + nsIntRegionRectIterator iter(paintRegion);
1.479 + const nsIntRect *iterRect;
1.480 +
1.481 + // Top left point of the region's bounding rectangle.
1.482 + nsIntPoint topLeft = paintRegion.GetBounds().TopLeft();
1.483 +
1.484 + while ((iterRect = iter.Next())) {
1.485 + // The inital data pointer is at the top left point of the region's
1.486 + // bounding rectangle. We need to find the offset of this rect
1.487 + // within the region and adjust the data pointer accordingly.
1.488 + unsigned char *rectData =
1.489 + aData + DataOffset(iterRect->TopLeft() - topLeft, aStride, aFormat);
1.490 +
1.491 + NS_ASSERTION(textureInited || (iterRect->x == 0 && iterRect->y == 0),
1.492 + "Must be uploading to the origin when we don't have an existing texture");
1.493 +
1.494 + if (textureInited && CanUploadSubTextures(gl)) {
1.495 + TexSubImage2DHelper(gl,
1.496 + aTextureTarget,
1.497 + 0,
1.498 + iterRect->x,
1.499 + iterRect->y,
1.500 + iterRect->width,
1.501 + iterRect->height,
1.502 + aStride,
1.503 + pixelSize,
1.504 + format,
1.505 + type,
1.506 + rectData);
1.507 + } else {
1.508 + TexImage2DHelper(gl,
1.509 + aTextureTarget,
1.510 + 0,
1.511 + internalFormat,
1.512 + iterRect->width,
1.513 + iterRect->height,
1.514 + aStride,
1.515 + pixelSize,
1.516 + 0,
1.517 + format,
1.518 + type,
1.519 + rectData);
1.520 + }
1.521 +
1.522 + }
1.523 +
1.524 + return surfaceFormat;
1.525 +}
1.526 +
1.527 +SurfaceFormat
1.528 +UploadSurfaceToTexture(GLContext* gl,
1.529 + DataSourceSurface *aSurface,
1.530 + const nsIntRegion& aDstRegion,
1.531 + GLuint& aTexture,
1.532 + bool aOverwrite,
1.533 + const nsIntPoint& aSrcPoint,
1.534 + bool aPixelBuffer,
1.535 + GLenum aTextureUnit,
1.536 + GLenum aTextureTarget)
1.537 +{
1.538 + unsigned char* data = aPixelBuffer ? nullptr : aSurface->GetData();
1.539 + int32_t stride = aSurface->Stride();
1.540 + SurfaceFormat format = aSurface->GetFormat();
1.541 + data += DataOffset(aSrcPoint, stride, format);
1.542 + return UploadImageDataToTexture(gl, data, stride, format,
1.543 + aDstRegion, aTexture, aOverwrite,
1.544 + aPixelBuffer, aTextureUnit,
1.545 + aTextureTarget);
1.546 +}
1.547 +
1.548 +bool
1.549 +CanUploadNonPowerOfTwo(GLContext* gl)
1.550 +{
1.551 + if (!gl->WorkAroundDriverBugs())
1.552 + return true;
1.553 +
1.554 + // Some GPUs driver crash when uploading non power of two 565 textures.
1.555 + return gl->Renderer() != GLRenderer::Adreno200 &&
1.556 + gl->Renderer() != GLRenderer::Adreno205;
1.557 +}
1.558 +
1.559 +}
1.560 +}
