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fmtTexture associated with format type

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This commit is contained in:
Glenn Maynard
2003-01-01 09:07:34 +00:00
parent 6b47bbb96f
commit 3d8c4d9fc7
2 changed files with 15 additions and 9 deletions
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stepmania/src/RageBitmapTexture.cpp
+14 -8
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@@ -31,7 +31,8 @@
* this may or may not need adjustment for OpenGL. */
struct PixFmt_t {
int bpp;
GLenum type;
GLenum type; /* data format */
GLenum internalfmt; /* target format */
unsigned int masks[4];
} PixFmtMasks[] = {
/* XXX: GL_UNSIGNED_SHORT_4_4_4_4 is affected by endianness; GL_UNSIGNED_BYTE
@@ -41,6 +42,7 @@ struct PixFmt_t {
/* B8G8R8A8 */
32,
GL_UNSIGNED_BYTE,
GL_RGBA8,
{ 0x000000FF,
0x0000FF00,
0x00FF0000,
@@ -49,6 +51,7 @@ struct PixFmt_t {
/* B4G4R4A4 */
16,
GL_UNSIGNED_SHORT_4_4_4_4,
GL_RGBA4,
{ 0xF000,
0x0F00,
0x00F0,
@@ -57,6 +60,7 @@ struct PixFmt_t {
/* B5G5R5A1 */
16,
GL_UNSIGNED_SHORT_5_5_5_1,
GL_RGB5_A1,
{ 0xF800,
0x07C0,
0x003E,
@@ -115,7 +119,7 @@ void RageBitmapTexture::Reload( RageTextureID ID )
* m_iImageWidth, m_iImageHeight
* m_iFramesWide, m_iFramesHigh
*/
SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt, GLenum &fmtTexture)
SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt)
{
// look in the file name for a format hints
CString HintString = GetFilePath();
@@ -134,8 +138,9 @@ SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt, GLenum &fmtTexture)
if(img == NULL)
RageException::Throw( "Couldn't load %s: %s", GetFilePath(), SDL_GetError() );
GLenum fmtTexture;
/* Figure out which texture format to use. */
if( m_ActualID.iColorDepth == 16 )
if( m_ActualID.iColorDepth == 16 )
{
/* Bits of alpha in the source: */
int src_alpha_bits = 8 - img->format->Aloss;
@@ -164,7 +169,7 @@ SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt, GLenum &fmtTexture)
break;
}
}
else if( m_ActualID.iColorDepth == 32 )
else if( m_ActualID.iColorDepth == 32)
fmtTexture = GL_RGBA8;
else
RageException::Throw( "Invalid color depth: %d bits", m_ActualID.iColorDepth );
@@ -259,17 +264,18 @@ SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt, GLenum &fmtTexture)
void RageBitmapTexture::Create()
{
int pixfmt;
GLenum fmtTexture;
SDL_Surface *img = CreateImg(pixfmt, fmtTexture);
if(!m_uGLTextureID)
SDL_Surface *img = CreateImg(pixfmt);
if(!m_uGLTextureID)
glGenTextures(1, &m_uGLTextureID);
DISPLAY->SetTexture(this);
glPixelStorei(GL_UNPACK_ROW_LENGTH, img->pitch / img->format->BytesPerPixel);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, fmtTexture, img->w, img->h, 0,
glTexImage2D(GL_TEXTURE_2D, 0, PixFmtMasks[pixfmt].internalfmt, img->w, img->h, 0,
GL_RGBA, PixFmtMasks[pixfmt].type, img->pixels);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glFlush();