1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
31 #include "simple_list.h"
35 #include "texformat.h"
37 #include "swrast/swrast.h"
41 #include "intel_ioctl.h"
43 #include "i915_context.h"
49 i915TexEnv(GLcontext
* ctx
, GLenum target
,
50 GLenum pname
, const GLfloat
* param
)
52 struct i915_context
*i915
= I915_CONTEXT(ctx
);
55 case GL_TEXTURE_ENV_COLOR
: /* Should be a tracked param */
56 case GL_TEXTURE_ENV_MODE
:
58 case GL_COMBINE_ALPHA
:
62 case GL_SOURCE0_ALPHA
:
63 case GL_SOURCE1_ALPHA
:
64 case GL_SOURCE2_ALPHA
:
68 case GL_OPERAND0_ALPHA
:
69 case GL_OPERAND1_ALPHA
:
70 case GL_OPERAND2_ALPHA
:
73 i915
->tex_program
.translated
= 0;
76 case GL_TEXTURE_LOD_BIAS
:{
77 GLuint unit
= ctx
->Texture
.CurrentUnit
;
78 GLint b
= (int) ((*param
) * 16.0);
83 I915_STATECHANGE(i915
, I915_UPLOAD_TEX(unit
));
84 i915
->lodbias_ss2
[unit
] =
85 ((b
<< SS2_LOD_BIAS_SHIFT
) & SS2_LOD_BIAS_MASK
);
96 i915BindTexture(GLcontext
* ctx
, GLenum target
,
97 struct gl_texture_object
*texobj
)
99 /* Need this if image format changes between bound textures.
100 * Could try and shortcircuit by checking for differences in
101 * state between incoming and outgoing textures:
103 I915_CONTEXT(ctx
)->tex_program
.translated
= 0;
109 i915InitTextureFuncs(struct dd_function_table
*functions
)
111 functions
->BindTexture
= i915BindTexture
;
112 functions
->TexEnv
= i915TexEnv
;