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Diffstat (limited to 'src/render/Qt3DSRenderBaseTypes.h')
-rw-r--r--src/render/Qt3DSRenderBaseTypes.h179
1 files changed, 5 insertions, 174 deletions
diff --git a/src/render/Qt3DSRenderBaseTypes.h b/src/render/Qt3DSRenderBaseTypes.h
index 909077d..bfe034b 100644
--- a/src/render/Qt3DSRenderBaseTypes.h
+++ b/src/render/Qt3DSRenderBaseTypes.h
@@ -351,6 +351,7 @@ struct NVRenderRenderBufferFormats
QT3DS_RENDER_HANDLE_TEXTURE_FORMAT(RGBA32F) \
QT3DS_RENDER_HANDLE_TEXTURE_FORMAT(R11G11B10) \
QT3DS_RENDER_HANDLE_TEXTURE_FORMAT(RGB9E5) \
+ QT3DS_RENDER_HANDLE_TEXTURE_FORMAT(RGBE8) \
QT3DS_RENDER_HANDLE_COMPRESSED_TEXTURE_FORMAT(RGBA_DXT1) \
QT3DS_RENDER_HANDLE_COMPRESSED_TEXTURE_FORMAT(RGB_DXT1) \
QT3DS_RENDER_HANDLE_COMPRESSED_TEXTURE_FORMAT(RGBA_DXT3) \
@@ -511,6 +512,7 @@ struct NVRenderTextureFormats
return 4;
case R32F:
return 4;
+ case RGBE8:
case RGBA8:
return 4;
case RGB8:
@@ -571,6 +573,7 @@ struct NVRenderTextureFormats
return 1;
case R32F:
return 1;
+ case RGBE8:
case RGBA8:
return 4;
case RGB8:
@@ -619,181 +622,9 @@ struct NVRenderTextureFormats
}
static void decodeToFloat(void *inPtr, QT3DSU32 byteOfs, float *outPtr,
- NVRenderTextureFormats::Enum inFmt)
- {
- outPtr[0] = 0.0f;
- outPtr[1] = 0.0f;
- outPtr[2] = 0.0f;
- outPtr[3] = 0.0f;
- QT3DSU8 *src = reinterpret_cast<QT3DSU8 *>(inPtr);
- // float divisor; // If we want to support RGBD?
- switch (inFmt) {
- case Alpha8:
- outPtr[0] = ((float)src[byteOfs]) / 255.0f;
- break;
-
- case Luminance8:
- case LuminanceAlpha8:
- case R8:
- case RG8:
- case RGB8:
- case RGBA8:
- case SRGB8:
- case SRGB8A8:
- // NOTE : RGBD Hack here for reference. Not meant for installation.
- // divisor = (NVRenderTextureFormats::getSizeofFormat(inFmt) == 4) ?
- // ((float)src[byteOfs+3]) / 255.0f : 1.0f;
- for (QT3DSU32 i = 0; i < NVRenderTextureFormats::getSizeofFormat(inFmt); ++i) {
- float val = ((float)src[byteOfs + i]) / 255.0f;
- outPtr[i] = (i < 3) ? powf(val, 0.4545454545f) : val;
- // Assuming RGBA8 actually means RGBD (which is stupid, I know)
- // if ( NVRenderTextureFormats::getSizeofFormat(inFmt) == 4 ) { outPtr[i] /=
- // divisor; }
- }
- // outPtr[3] = divisor;
- break;
-
- case R32F:
- outPtr[0] = reinterpret_cast<float *>(src + byteOfs)[0];
- break;
- case RG32F:
- outPtr[0] = reinterpret_cast<float *>(src + byteOfs)[0];
- outPtr[1] = reinterpret_cast<float *>(src + byteOfs)[1];
- break;
- case RGBA32F:
- outPtr[0] = reinterpret_cast<float *>(src + byteOfs)[0];
- outPtr[1] = reinterpret_cast<float *>(src + byteOfs)[1];
- outPtr[2] = reinterpret_cast<float *>(src + byteOfs)[2];
- outPtr[3] = reinterpret_cast<float *>(src + byteOfs)[3];
- break;
- case RGB32F:
- outPtr[0] = reinterpret_cast<float *>(src + byteOfs)[0];
- outPtr[1] = reinterpret_cast<float *>(src + byteOfs)[1];
- outPtr[2] = reinterpret_cast<float *>(src + byteOfs)[2];
- break;
-
- case R16F:
- case RG16F:
- case RGBA16F:
- for (QT3DSU32 i = 0; i < (NVRenderTextureFormats::getSizeofFormat(inFmt) >> 1); ++i) {
- // NOTE : This only works on the assumption that we don't have any denormals,
- // Infs or NaNs.
- // Every pixel in our source image should be "regular"
- QT3DSU16 h = reinterpret_cast<QT3DSU16 *>(src + byteOfs)[i];
- QT3DSU32 sign = (h & 0x8000) << 16;
- QT3DSU32 exponent = (((((h & 0x7c00) >> 10) - 15) + 127) << 23);
- QT3DSU32 mantissa = ((h & 0x3ff) << 13);
- QT3DSU32 result = sign | exponent | mantissa;
-
- if (h == 0 || h == 0x8000) {
- result = 0;
- } // Special case for zero and negative zero
- qt3ds::intrinsics::memCopy(reinterpret_cast<QT3DSU32 *>(outPtr) + i, &result, 4);
- }
- break;
-
- case R11G11B10:
- // place holder
- QT3DS_ASSERT(false);
- break;
-
- default:
- outPtr[0] = 0.0f;
- outPtr[1] = 0.0f;
- outPtr[2] = 0.0f;
- outPtr[3] = 0.0f;
- break;
- }
- }
-
+ NVRenderTextureFormats::Enum inFmt);
static void encodeToPixel(float *inPtr, void *outPtr, QT3DSU32 byteOfs,
- NVRenderTextureFormats::Enum inFmt)
- {
- QT3DSU8 *dest = reinterpret_cast<QT3DSU8 *>(outPtr);
- switch (inFmt) {
- case NVRenderTextureFormats::Alpha8:
- dest[byteOfs] = QT3DSU8(inPtr[0] * 255.0f);
- break;
-
- case Luminance8:
- case LuminanceAlpha8:
- case R8:
- case RG8:
- case RGB8:
- case RGBA8:
- case SRGB8:
- case SRGB8A8:
- for (QT3DSU32 i = 0; i < NVRenderTextureFormats::getSizeofFormat(inFmt); ++i) {
- inPtr[i] = (inPtr[i] > 1.0f) ? 1.0f : inPtr[i];
- if (i < 3)
- dest[byteOfs + i] = QT3DSU8(powf(inPtr[i], 2.2f) * 255.0f);
- else
- dest[byteOfs + i] = QT3DSU8(inPtr[i] * 255.0f);
- }
- break;
-
- case R32F:
- reinterpret_cast<float *>(dest + byteOfs)[0] = inPtr[0];
- break;
- case RG32F:
- reinterpret_cast<float *>(dest + byteOfs)[0] = inPtr[0];
- reinterpret_cast<float *>(dest + byteOfs)[1] = inPtr[1];
- break;
- case RGBA32F:
- reinterpret_cast<float *>(dest + byteOfs)[0] = inPtr[0];
- reinterpret_cast<float *>(dest + byteOfs)[1] = inPtr[1];
- reinterpret_cast<float *>(dest + byteOfs)[2] = inPtr[2];
- reinterpret_cast<float *>(dest + byteOfs)[3] = inPtr[3];
- break;
- case RGB32F:
- reinterpret_cast<float *>(dest + byteOfs)[0] = inPtr[0];
- reinterpret_cast<float *>(dest + byteOfs)[1] = inPtr[1];
- reinterpret_cast<float *>(dest + byteOfs)[2] = inPtr[2];
- break;
-
- case R16F:
- case RG16F:
- case RGBA16F:
- for (QT3DSU32 i = 0; i < (NVRenderTextureFormats::getSizeofFormat(inFmt) >> 1); ++i) {
- // NOTE : This also has the limitation of not handling infs, NaNs and
- // denormals, but it should be
- // sufficient for our purposes.
- if (inPtr[i] > 65519.0f) {
- inPtr[i] = 65519.0f;
- }
- if (fabs(inPtr[i]) < 6.10352E-5f) {
- inPtr[i] = 0.0f;
- }
- QT3DSU32 f = reinterpret_cast<QT3DSU32 *>(inPtr)[i];
- QT3DSU32 sign = (f & 0x80000000) >> 16;
- QT3DSI32 exponent = (f & 0x7f800000) >> 23;
- QT3DSU32 mantissa = (f >> 13) & 0x3ff;
- exponent = exponent - 112;
- if (exponent > 31) {
- exponent = 31;
- }
- if (exponent < 0) {
- exponent = 0;
- }
- exponent = exponent << 10;
- reinterpret_cast<QT3DSU16 *>(dest + byteOfs)[i] =
- QT3DSU16(sign | exponent | mantissa);
- }
- break;
-
- case R11G11B10:
- // place holder
- QT3DS_ASSERT(false);
- break;
-
- default:
- dest[byteOfs] = 0;
- dest[byteOfs + 1] = 0;
- dest[byteOfs + 2] = 0;
- dest[byteOfs + 3] = 0;
- break;
- }
- }
+ NVRenderTextureFormats::Enum inFmt);
};
struct NVRenderTextureTargetType
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 23:49:55 +0000