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work around "mipmap generation for RBGA4 textures fails"

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This commit is contained in:
Chris Danford
2004-01-24 19:14:22 +00:00
parent f36b2f2c77
commit 0855f7b4a8
1 changed files with 57 additions and 17 deletions
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stepmania/src/RageDisplay_OGL.cpp
+57 -17
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@@ -100,6 +100,9 @@ float g_point_granularity;
/* OpenGL version * 10: */
int g_glVersion;
/* GLU version * 10: */
int g_gluVersion;
/* Available extensions: */
set<string> g_glExts;
@@ -361,6 +364,7 @@ RageDisplay_OGL::RageDisplay_OGL( VideoModeParams p, bool bAllowUnacceleratedRen
LOG->Info("OGL Version: %s", glGetString(GL_VERSION));
LOG->Info("OGL Extensions: %s", glGetString(GL_EXTENSIONS));
LOG->Info("OGL Max texture size: %i", GetMaxTextureSize() );
LOG->Info("GLU Version: %s", gluGetString(GLU_VERSION));
LogGLXDebugInformation();
@@ -557,6 +561,9 @@ void SetupExtensions()
g_glVersion = int(roundf(fGLVersion * 10));
GetGLExtensions(g_glExts);
const float fGLUVersion = (float) atof( (const char *) gluGetString(GLU_VERSION) );
g_gluVersion = int(roundf(fGLUVersion * 10));
/* Find extension functions and reset broken flags */
#if !defined(DARWIN)
GLExt::wglSwapIntervalEXT = (PWSWAPINTERVALEXTPROC) wind->GetProcAddress("wglSwapIntervalEXT");
@@ -1244,6 +1251,28 @@ unsigned RageDisplay_OGL::CreateTexture(
{
ASSERT( pixfmt < NUM_PIX_FORMATS );
// HACK: OpenGL 1.2 types aren't available in GLU 1.3. Don't call GLU for mip
// mapping if we're using an OGL 1.2 type and don't have >= GLU 1.3.
// http://pyopengl.sourceforge.net/documentation/manual/gluBuild2DMipmaps.3G.html
if( g_gluVersion < 13 )
{
switch( pixfmt )
{
// OpenGL 1.1 types
case FMT_RGBA8:
case FMT_RGB8:
case FMT_PAL:
case FMT_BGR8:
break;
// OpenGL 1.2 types
default:
bGenerateMipMaps = false;
break;
}
}
unsigned int uTexHandle;
glGenTextures(1, reinterpret_cast<GLuint*>(&uTexHandle));
ASSERT(uTexHandle);
@@ -1306,15 +1335,25 @@ unsigned RageDisplay_OGL::CreateTexture(
FlushGLErrors();
// YUCK! There's no way to tell gluBuild2DMipmaps how many mip-map levels
// to make. It's all or nothing, so we have to call either glTexImage2D
// or gluBuild2DMipmaps
if( bGenerateMipMaps )
{
gluBuild2DMipmaps(
GLenum error = gluBuild2DMipmaps(
GL_TEXTURE_2D, glTexFormat,
img->w, img->h,
glImageFormat, glImageType, img->pixels );
if( error != 0 )
{
ostringstream s;
s << "gluBuild2DMipmaps(format " << GLToString(glTexFormat) <<
", w " << img->w << ", h " << img->h <<
", format " << GLToString(glImageFormat) <<
", type " << GLToString(glImageType) <<
"): " << gluErrorString(error);
LOG->Trace( s.str().c_str() );
ASSERT(0);
}
}
else
{
@@ -1322,22 +1361,23 @@ unsigned RageDisplay_OGL::CreateTexture(
GL_TEXTURE_2D, 0, glTexFormat,
img->w, img->h, 0,
glImageFormat, glImageType, img->pixels);
GLenum error = glGetError();
if( error != GL_NO_ERROR )
{
ostringstream s;
s << "glTexImage2D(format " << GLToString(glTexFormat) <<
", w " << img->w << ", h " << img->h <<
", format " << GLToString(glImageFormat) <<
", type " << GLToString(glImageType) <<
"): " << GLToString(error);
LOG->Trace( s.str().c_str() );
ASSERT(0);
}
}
GLenum error = glGetError();
if( error != GL_NO_ERROR )
{
ostringstream s;
s << "glTexImage2D(format " << GLToString(glTexFormat) <<
", w " << img->w << ", h " << img->h <<
", format " << GLToString(glImageFormat) <<
", type " << GLToString(glImageType) <<
"): " << GLToString(error);
LOG->Trace( s.str().c_str() );
ASSERT(0);
}
/* Sanity check: */
if( pixfmt == FMT_PAL )