diff options
Diffstat (limited to 'Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp')
| -rw-r--r-- | Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp | 209 |
1 files changed, 107 insertions, 102 deletions
diff --git a/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp b/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp index 0331540..7c80c88 100644 --- a/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp +++ b/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp @@ -1,102 +1,107 @@ -/************************************************************************************
-
-Filename : Render_LoadeTextureTGA.cpp
-Content : Loading of TGA implementation
-Created : October, 2012
-Authors : Andrew Reisse
-
-Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
-
-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 "Render_Device.h"
-
-namespace OVR { namespace Render {
-
-Texture* LoadTextureTga(RenderDevice* ren, File* f)
-{
- int desclen = f->ReadUByte();
- int palette = f->ReadUByte();
- OVR_UNUSED(palette);
- int imgtype = f->ReadUByte();
- f->ReadUInt16();
- int palCount = f->ReadUInt16();
- int palSize = f->ReadUByte();
- f->ReadUInt16();
- f->ReadUInt16();
- int width = f->ReadUInt16();
- int height = f->ReadUInt16();
- int bpp = f->ReadUByte();
- f->ReadUByte();
- int imgsize = width * height * 4;
- unsigned char* imgdata = (unsigned char*) OVR_ALLOC(imgsize);
- unsigned char buf[16];
- f->Read(imgdata, desclen);
- f->Read(imgdata, palCount * (palSize + 7) >> 3);
- int bpl = width * 4;
-
- switch (imgtype)
- {
- case 2:
- switch (bpp)
- {
- case 24:
- for (int y = 0; y < height; y++)
- for (int x = 0; x < width; x++)
- {
- f->Read(buf, 3);
- imgdata[y*bpl+x*4+0] = buf[2];
- imgdata[y*bpl+x*4+1] = buf[1];
- imgdata[y*bpl+x*4+2] = buf[0];
- imgdata[y*bpl+x*4+3] = 255;
- }
- break;
- case 32:
- for (int y = 0; y < height; y++)
- for (int x = 0; x < width; x++)
- {
- f->Read(buf, 4);
- imgdata[y*bpl+x*4+0] = buf[2];
- imgdata[y*bpl+x*4+1] = buf[1];
- imgdata[y*bpl+x*4+2] = buf[0];
- imgdata[y*bpl+x*4+3] = buf[3];
- }
- break;
-
- default:
- OVR_FREE(imgdata);
- return NULL;
- }
- break;
-
- default:
- OVR_FREE(imgdata);
- return NULL;
- }
-
- Texture* out = ren->CreateTexture(Texture_RGBA|Texture_GenMipmaps, width, height, imgdata);
-
- // check for clamp based on texture name
- if(strstr(f->GetFilePath(), "_c."))
- {
- out->SetSampleMode(Sample_Clamp);
- }
-
- OVR_FREE(imgdata);
- return out;
-}
-
-}}
+/************************************************************************************ + +Filename : Render_LoadeTextureTGA.cpp +Content : Loading of TGA implementation +Created : October, 2012 +Authors : Andrew Reisse + +Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved. + +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 "Render_Device.h" + +namespace OVR { namespace Render { + +Texture* LoadTextureTga(RenderDevice* ren, File* f, unsigned char alpha) +{ + f->SeekToBegin(); + + int desclen = f->ReadUByte(); + int palette = f->ReadUByte(); + OVR_UNUSED(palette); + int imgtype = f->ReadUByte(); + f->ReadUInt16(); + int palCount = f->ReadUInt16(); + int palSize = f->ReadUByte(); + f->ReadUInt16(); + f->ReadUInt16(); + int width = f->ReadUInt16(); + int height = f->ReadUInt16(); + int bpp = f->ReadUByte(); + f->ReadUByte(); + int imgsize = width * height * 4; + unsigned char* imgdata = (unsigned char*) OVR_ALLOC(imgsize); + unsigned char buf[16]; + f->Read(imgdata, desclen); + f->Read(imgdata, palCount * (palSize + 7) >> 3); + int bpl = width * 4; + + switch (imgtype) + { + case 2: + switch (bpp) + { + case 24: + for (int y = 0; y < height; y++) + for (int x = 0; x < width; x++) + { + f->Read(buf, 3); + imgdata[y*bpl+x*4+0] = buf[2]; + imgdata[y*bpl+x*4+1] = buf[1]; + imgdata[y*bpl+x*4+2] = buf[0]; + imgdata[y*bpl+x*4+3] = alpha; + } + break; + case 32: + for (int y = 0; y < height; y++) + for (int x = 0; x < width; x++) + { + f->Read(buf, 4); + imgdata[y*bpl+x*4+0] = buf[2]; + imgdata[y*bpl+x*4+1] = buf[1]; + imgdata[y*bpl+x*4+2] = buf[0]; + if (buf[3] == 255) + imgdata[y*bpl+x*4+3] = alpha; + else + imgdata[y*bpl+x*4+3] = buf[3]; + } + break; + + default: + OVR_FREE(imgdata); + return NULL; + } + break; + + default: + OVR_FREE(imgdata); + return NULL; + } + + Texture* out = ren->CreateTexture(Texture_RGBA|Texture_GenMipmaps, width, height, imgdata); + + // check for clamp based on texture name + if(strstr(f->GetFilePath(), "_c.")) + { + out->SetSampleMode(Sample_Clamp); + } + + OVR_FREE(imgdata); + return out; +} + +}} |