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Fixed GL compressed 3D texture.

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This commit is contained in:
bkaradzic 2012-06-09 19:42:25 -07:00
parent fe1252d260
commit 956d12e5a8
2 changed files with 43 additions and 24 deletions
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1
src/glimports.h
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@ -41,6 +41,7 @@ GL_IMPORT(false, PFNGLCLEARCOLORPROC, glClearColor);
GL_IMPORT(false, PFNGLACTIVETEXTUREPROC, glActiveTexture);
GL_IMPORT(false, PFNGLCOMPRESSEDTEXIMAGE2DPROC, glCompressedTexImage2D);
GL_IMPORT(false, PFNGLCOMPRESSEDTEXIMAGE3DPROC, glCompressedTexImage3D);
GL_IMPORT(false, PFNGLBINDBUFFERPROC, glBindBuffer);
GL_IMPORT(false, PFNGLDELETEBUFFERSPROC, glDeleteBuffers);
GL_IMPORT(false, PFNGLGENBUFFERSPROC, glGenBuffers);

56
src/renderer_gl.cpp
View File

@ -970,9 +970,12 @@ namespace bgfx
void Texture::create(const Memory* _mem, uint32_t _flags)
{
Dds dds;
uint8_t numMips = 0;
if (parseDds(dds, _mem) )
{
numMips = dds.m_numMips;
if (dds.m_cubeMap)
{
m_target = GL_TEXTURE_CUBE_MAP;
@ -992,20 +995,9 @@ namespace bgfx
BX_CHECK(0 != m_id, "Failed to generate texture id.");
GL_CHECK(glBindTexture(m_target, m_id) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, 1 < dds.m_numMips ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR) );
const TextureFormatInfo& tfi = s_textureFormat[dds.m_type];
GLenum internalFmt = tfi.m_internalFmt;
if (!s_renderCtx.m_dxtSupport
|| TextureFormat::Unknown < dds.m_type)
{
if (internalFmt == GL_RGBA)
{
internalFmt = s_extension[Extension::EXT_texture_format_BGRA8888].m_supported ? GL_BGRA_EXT : GL_RGBA;
}
uint8_t* bits = (uint8_t*)g_realloc(NULL, dds.m_width*dds.m_height*tfi.m_bpp);
GLenum fmt = tfi.m_format;
GLenum target = m_target;
if (dds.m_cubeMap)
@ -1013,6 +1005,17 @@ namespace bgfx
target = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
}
if (!s_renderCtx.m_dxtSupport
|| TextureFormat::Unknown < dds.m_type)
{
if (GL_RGBA == internalFmt)
{
internalFmt = s_extension[Extension::EXT_texture_format_BGRA8888].m_supported ? GL_BGRA_EXT : GL_RGBA;
fmt = internalFmt;
}
uint8_t* bits = (uint8_t*)g_realloc(NULL, dds.m_width*dds.m_height*tfi.m_bpp);
for (uint8_t side = 0, numSides = dds.m_cubeMap ? 6 : 1; side < numSides; ++side)
{
uint32_t width = dds.m_width;
@ -1050,7 +1053,6 @@ namespace bgfx
#if BGFX_CONFIG_RENDERER_OPENGL
if (target == GL_TEXTURE_3D)
{
GL_CHECK(glTexImage3D(target
, lod
, internalFmt
@ -1058,7 +1060,7 @@ namespace bgfx
, height
, depth
, 0
, tfi.m_format
, fmt
, tfi.m_type
, bits
) );
@ -1072,7 +1074,7 @@ namespace bgfx
, width
, height
, 0
, tfi.m_format
, fmt
, tfi.m_type
, bits
) );
@ -1104,7 +1106,24 @@ namespace bgfx
Mip mip;
if (getRawImageData(dds, 0, ii, _mem, mip) )
{
GL_CHECK(glCompressedTexImage2D(m_target
#if BGFX_CONFIG_RENDERER_OPENGL
if (m_target == GL_TEXTURE_3D)
{
GL_CHECK(glCompressedTexImage3D(target
, ii
, internalFmt
, width
, height
, depth
, 0
, mip.m_size
, mip.m_data
) );
}
else
#endif // BGFX_CONFIG_RENDERER_OPENGL
{
GL_CHECK(glCompressedTexImage2D(target+side
, ii
, internalFmt
, width
@ -1114,6 +1133,7 @@ namespace bgfx
, mip.m_data
) );
}
}
width >>= 1;
height >>= 1;
@ -1146,13 +1166,10 @@ namespace bgfx
uint8_t bpp;
stream.read(bpp);
uint8_t numMips;
stream.read(numMips);
stream.align(16);
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, 1 < numMips ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR) );
for (uint8_t mip = 0; mip < numMips; ++mip)
{
width = uint32_max(width, 1);
@ -1194,6 +1211,7 @@ namespace bgfx
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, s_textureFilter[(_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT]) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, s_textureFilter[(_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT]) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, 1 < numMips ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR) );
GL_CHECK(glBindTexture(m_target, 0) );
}