static GLboolean i915UpdateTexUnit( GLcontext *ctx, GLuint unit )
{
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
if (texUnit->_ReallyEnabled &&
INTEL_CONTEXT(ctx)->intelScreen->tex.size < 2048 * 1024)
return GL_FALSE;
switch (texUnit->_ReallyEnabled) {
case TEXTURE_1D_BIT:
case TEXTURE_2D_BIT:
return (enable_tex_2d( ctx, unit ) &&
enable_tex_common( ctx, unit ));
case TEXTURE_RECT_BIT:
return (enable_tex_rect( ctx, unit ) &&
enable_tex_common( ctx, unit ));
case TEXTURE_CUBE_BIT:
return (enable_tex_cube( ctx, unit ) &&
enable_tex_common( ctx, unit ));
case TEXTURE_3D_BIT:
return (enable_tex_2d( ctx, unit ) &&
enable_tex_common( ctx, unit ) &&
enable_tex_3d( ctx, unit));
case 0:
return disable_tex( ctx, unit );
default:
return GL_FALSE;
}
}
/**
* Update hardware state for a texture unit.
*
* \todo
* 1D textures should be supported! Just use a 2D texture with the second
* texture coordinate value fixed at 0.0.
*/
static void i810UpdateTexUnit( struct gl_context *ctx, GLuint unit,
int * next_color_stage, int * next_alpha_stage )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
GLboolean ret;
switch(texUnit->_ReallyEnabled) {
case TEXTURE_2D_BIT:
ret = enable_tex_common( ctx, unit);
ret &= enable_tex_2d(ctx, unit);
if (ret == GL_FALSE) {
FALLBACK( imesa, I810_FALLBACK_TEXTURE, GL_TRUE );
}
break;
case TEXTURE_RECT_BIT:
ret = enable_tex_common( ctx, unit);
ret &= enable_tex_rect(ctx, unit);
if (ret == GL_FALSE) {
FALLBACK( imesa, I810_FALLBACK_TEXTURE, GL_TRUE );
}
break;
case 0:
disable_tex(ctx, unit);
break;
}
if (!i810UpdateTexEnvCombine( ctx, unit,
next_color_stage, next_alpha_stage )) {
FALLBACK( imesa, I810_FALLBACK_TEXTURE, GL_TRUE );
}
return;
}
static GLboolean r200UpdateTextureUnit( GLcontext *ctx, int unit )
{
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
if ( texUnit->_ReallyEnabled & (TEXTURE0_RECT) ) {
return (enable_tex_rect( ctx, unit ) &&
update_tex_common( ctx, unit ));
}
else if ( texUnit->_ReallyEnabled & (TEXTURE0_1D|TEXTURE0_2D) ) {
return (enable_tex_2d( ctx, unit ) &&
update_tex_common( ctx, unit ));
}
else if ( texUnit->_ReallyEnabled ) {
return GL_FALSE;
}
else {
disable_tex( ctx, unit );
return GL_TRUE;
}
}
