diff options
Diffstat (limited to 'mesalib/src/mesa/main/texparam.c')
| -rw-r--r-- | mesalib/src/mesa/main/texparam.c | 119 |
1 files changed, 69 insertions, 50 deletions
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c index 17eac5fc9..0081c3b52 100644 --- a/mesalib/src/mesa/main/texparam.c +++ b/mesalib/src/mesa/main/texparam.c @@ -884,6 +884,70 @@ _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params) } +static GLboolean +base_format_has_channel(GLenum base_format, GLenum pname) +{ + switch (pname) { + case GL_TEXTURE_RED_SIZE: + case GL_TEXTURE_RED_TYPE: + if (base_format == GL_RED || + base_format == GL_RG || + base_format == GL_RGB || + base_format == GL_RGBA) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_GREEN_SIZE: + case GL_TEXTURE_GREEN_TYPE: + if (base_format == GL_RG || + base_format == GL_RGB || + base_format == GL_RGBA) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_BLUE_SIZE: + case GL_TEXTURE_BLUE_TYPE: + if (base_format == GL_RGB || + base_format == GL_RGBA) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_ALPHA_SIZE: + case GL_TEXTURE_ALPHA_TYPE: + if (base_format == GL_RGBA || + base_format == GL_ALPHA || + base_format == GL_LUMINANCE_ALPHA) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_LUMINANCE_SIZE: + case GL_TEXTURE_LUMINANCE_TYPE: + if (base_format == GL_LUMINANCE || + base_format == GL_LUMINANCE_ALPHA) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_INTENSITY_SIZE: + case GL_TEXTURE_INTENSITY_TYPE: + if (base_format == GL_INTENSITY) { + return GL_TRUE; + } + return GL_FALSE; + case GL_TEXTURE_DEPTH_SIZE: + case GL_TEXTURE_DEPTH_TYPE: + if (base_format == GL_DEPTH_STENCIL || + base_format == GL_DEPTH_COMPONENT) { + return GL_TRUE; + } + return GL_FALSE; + default: + _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n", + __FUNCTION__, pname); + return GL_FALSE; + } + + return GL_FALSE; +} void GLAPIENTRY @@ -981,27 +1045,10 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level, *params = img->Border; break; case GL_TEXTURE_RED_SIZE: - if (img->_BaseFormat == GL_RED) { - *params = _mesa_get_format_bits(texFormat, pname); - break; - } - /* FALLTHROUGH */ case GL_TEXTURE_GREEN_SIZE: - if (img->_BaseFormat == GL_RG) { - *params = _mesa_get_format_bits(texFormat, pname); - break; - } - /* FALLTHROUGH */ case GL_TEXTURE_BLUE_SIZE: - if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) - *params = _mesa_get_format_bits(texFormat, pname); - else - *params = 0; - break; case GL_TEXTURE_ALPHA_SIZE: - if (img->_BaseFormat == GL_ALPHA || - img->_BaseFormat == GL_LUMINANCE_ALPHA || - img->_BaseFormat == GL_RGBA) + if (base_format_has_channel(img->_BaseFormat, pname)) *params = _mesa_get_format_bits(texFormat, pname); else *params = 0; @@ -1067,46 +1114,18 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level, /* GL_ARB_texture_float */ case GL_TEXTURE_RED_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_GREEN_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_BLUE_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_ALPHA_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_LUMINANCE_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_INTENSITY_TYPE_ARB: - if (!ctx->Extensions.ARB_texture_float) - goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; - break; case GL_TEXTURE_DEPTH_TYPE_ARB: if (!ctx->Extensions.ARB_texture_float) goto invalid_pname; - *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ? - _mesa_get_format_datatype(texFormat) : GL_NONE; + if (base_format_has_channel(img->_BaseFormat, pname)) + *params = _mesa_get_format_datatype(texFormat); + else + *params = GL_NONE; break; default: |