OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

minor simplification in glGetTexLevelParameter

Browse Source
This commit is contained in:
Brian Paul
2001-04-25 15:41:22 +00:00
parent 31acab88f2
commit 3bfd0e6f9f
1 changed files with 10 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/mesa/main/texstate.c
View File

@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.47 2001/04/24 16:11:35 brianp Exp $ */
/* $Id: texstate.c,v 1.48 2001/04/25 15:41:22 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1124,7 +1124,6 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
const struct gl_texture_image *img = NULL;
GLuint dimensions;
GLboolean isProxy;
GLenum baseIntFormat;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
@@ -1148,8 +1147,6 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
return;
}
baseIntFormat = _mesa_base_tex_format(ctx, img->IntFormat);
isProxy = (target == GL_PROXY_TEXTURE_1D) ||
(target == GL_PROXY_TEXTURE_2D) ||
(target == GL_PROXY_TEXTURE_3D) ||
@@ -1172,36 +1169,32 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = img->Border;
return;
case GL_TEXTURE_RED_SIZE:
if (baseIntFormat == GL_RGB ||
baseIntFormat == GL_RGBA)
if (img->Format == GL_RGB || img->Format == GL_RGBA)
*params = img->TexFormat->RedBits;
else
*params = 0;
return;
case GL_TEXTURE_GREEN_SIZE:
if (baseIntFormat == GL_RGB ||
baseIntFormat == GL_RGBA)
if (img->Format == GL_RGB || img->Format == GL_RGBA)
*params = img->TexFormat->GreenBits;
else
*params = 0;
return;
case GL_TEXTURE_BLUE_SIZE:
if (baseIntFormat == GL_RGB ||
baseIntFormat == GL_RGBA)
if (img->Format == GL_RGB || img->Format == GL_RGBA)
*params = img->TexFormat->BlueBits;
else
*params = 0;
return;
case GL_TEXTURE_ALPHA_SIZE:
if (baseIntFormat == GL_ALPHA ||
baseIntFormat == GL_LUMINANCE_ALPHA ||
baseIntFormat == GL_RGBA)
if (img->Format == GL_ALPHA || img->Format == GL_LUMINANCE_ALPHA ||
img->Format == GL_RGBA)
*params = img->TexFormat->AlphaBits;
else
*params = 0;
return;
case GL_TEXTURE_INTENSITY_SIZE:
if (baseIntFormat != GL_INTENSITY)
if (img->Format != GL_INTENSITY)
*params = 0;
else if (img->TexFormat->IntensityBits > 0)
*params = img->TexFormat->IntensityBits;
@@ -1209,8 +1202,8 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
return;
case GL_TEXTURE_LUMINANCE_SIZE:
if (baseIntFormat != GL_LUMINANCE &&
baseIntFormat != GL_LUMINANCE_ALPHA)
if (img->Format != GL_LUMINANCE &&
img->Format != GL_LUMINANCE_ALPHA)
*params = 0;
else if (img->TexFormat->LuminanceBits > 0)
*params = img->TexFormat->LuminanceBits;
@@ -1218,7 +1211,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
return;
case GL_TEXTURE_INDEX_SIZE_EXT:
if (baseIntFormat == GL_COLOR_INDEX)
if (img->Format == GL_COLOR_INDEX)
*params = img->TexFormat->IndexBits;
else
*params = 0;