FGFS-4.1/OpenSceneGraph
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Fixed handling of TextureCubeMap's with mipmapped/ImageSequence/PBO's.

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This commit is contained in:
Robert Osfield
2008-07-22 14:47:59 +00:00
parent 14771d3a4d
commit 669d6be0b2
5 changed files with 61 additions and 42 deletions
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38
src/osg/Texture.cpp
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@@ -42,7 +42,7 @@ using namespace osg;
#define GL_STORAGE_SHARED_APPLE 0x85BF
#endif
// #define DO_TIMING
//#define DO_TIMING
ApplicationUsageProxy Texture_e0(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MAX_TEXTURE_SIZE","Set the maximum size of textures.");
@@ -1015,11 +1015,15 @@ void Texture::applyTexImage2D_load(State& state, GLenum target, const Image* ima
}
bool mipmappingRequired = _min_filter != LINEAR && _min_filter != NEAREST;
bool useHardwareMipMapGeneration = mipmappingRequired && (!image->isMipmap() && isHardwareMipmapGenerationEnabled(state));
bool useGluBuildMipMaps = mipmappingRequired && (!useHardwareMipMapGeneration && !image->isMipmap());
unsigned char* dataMinusOffset = 0;
unsigned char* dataPlusOffset = 0;
const PixelBufferObject* pbo = image->getPixelBufferObject();
if (pbo && pbo->isPBOSupported(contextID) && !needImageRescale)
if (pbo && pbo->isPBOSupported(contextID) && !needImageRescale && !useGluBuildMipMaps)
{
state.bindPixelBufferObject(pbo);
dataMinusOffset = data;
@@ -1033,16 +1037,9 @@ void Texture::applyTexImage2D_load(State& state, GLenum target, const Image* ima
pbo = 0;
}
bool useHardwareMipMapGeneration = !image->isMipmap() && isHardwareMipmapGenerationEnabled(state);
if( _min_filter == LINEAR || _min_filter == NEAREST || useHardwareMipMapGeneration)
if( !mipmappingRequired || useHardwareMipMapGeneration)
{
if (_min_filter == LINEAR || _min_filter == NEAREST)
{
useHardwareMipMapGeneration = false;
}
GenerateMipmapMode mipmapResult = mipmapBeforeTexImage(state, useHardwareMipMapGeneration);
if ( !compressed_image)
@@ -1136,7 +1133,7 @@ void Texture::applyTexImage2D_load(State& state, GLenum target, const Image* ima
gluBuild2DMipmaps( target, _internalFormat,
inwidth,inheight,
(GLenum)image->getPixelFormat(), (GLenum)image->getDataType(),
data -dataMinusOffset+dataPlusOffset);
data);
int width = image->s();
int height = image->t();
@@ -1264,13 +1261,16 @@ void Texture::applyTexImage2D_subload(State& state, GLenum target, const Image*
}
bool useHardwareMipMapGeneration = !image->isMipmap() && isHardwareMipmapGenerationEnabled(state);
unsigned char* dataMinusOffset=0;
unsigned char* dataPlusOffset=0;
bool mipmappingRequired = _min_filter != LINEAR && _min_filter != NEAREST;
bool useHardwareMipMapGeneration = mipmappingRequired && (!image->isMipmap() && isHardwareMipmapGenerationEnabled(state));
bool useGluBuildMipMaps = mipmappingRequired && (!useHardwareMipMapGeneration && !image->isMipmap());
unsigned char* dataMinusOffset = 0;
unsigned char* dataPlusOffset = 0;
const PixelBufferObject* pbo = image->getPixelBufferObject();
if (pbo && pbo->isPBOSupported(contextID) && !needImageRescale)
if (pbo && pbo->isPBOSupported(contextID) && !needImageRescale && !useGluBuildMipMaps)
{
state.bindPixelBufferObject(pbo);
dataMinusOffset = data;
@@ -1284,12 +1284,10 @@ void Texture::applyTexImage2D_subload(State& state, GLenum target, const Image*
pbo = 0;
}
if( _min_filter == LINEAR || _min_filter == NEAREST || useHardwareMipMapGeneration)
if( !mipmappingRequired || useHardwareMipMapGeneration)
{
bool hardwareMipMapOn = _min_filter != LINEAR && _min_filter != NEAREST;
GenerateMipmapMode mipmapResult = mipmapBeforeTexImage(state, hardwareMipMapOn);
GenerateMipmapMode mipmapResult = mipmapBeforeTexImage(state, useHardwareMipMapGeneration);
if (!compressed_image)
{