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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#include "imports.h"
#include "pipe/draw/draw_context.h"
#include "i915_context.h"
#include "i915_state.h"
/* None of this state is actually used for anything yet.
*/
static void i915_set_blend_state( struct pipe_context *pipe,
const struct pipe_blend_state *blend )
{
struct i915_context *i915 = i915_context(pipe);
i915->blend = *blend;
i915->dirty |= I915_NEW_BLEND;
}
static void i915_set_blend_color( struct pipe_context *pipe,
const struct pipe_blend_color *blend_color )
{
struct i915_context *i915 = i915_context(pipe);
i915->blend_color = *blend_color;
i915->dirty |= I915_NEW_BLEND;
}
/** XXX move someday? Or consolidate all these simple state setters
* into one file.
*/
static void i915_set_depth_test_state(struct pipe_context *pipe,
const struct pipe_depth_state *depth)
{
struct i915_context *i915 = i915_context(pipe);
i915->depth_test = *depth;
i915->dirty |= I915_NEW_DEPTH_TEST;
}
static void i915_set_alpha_test_state(struct pipe_context *pipe,
const struct pipe_alpha_test_state *alpha)
{
struct i915_context *i915 = i915_context(pipe);
i915->alpha_test = *alpha;
i915->dirty |= I915_NEW_ALPHA_TEST;
}
static void i915_set_stencil_state(struct pipe_context *pipe,
const struct pipe_stencil_state *stencil)
{
struct i915_context *i915 = i915_context(pipe);
i915->stencil = *stencil;
i915->dirty |= I915_NEW_STENCIL;
}
static void i915_set_scissor_state( struct pipe_context *pipe,
const struct pipe_scissor_state *scissor )
{
struct i915_context *i915 = i915_context(pipe);
memcpy( &i915->scissor, scissor, sizeof(*scissor) );
i915->dirty |= I915_NEW_SCISSOR;
}
static void i915_set_polygon_stipple( struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple )
{
}
static void i915_set_fs_state( struct pipe_context *pipe,
const struct pipe_fs_state *fs )
{
struct i915_context *i915 = i915_context(pipe);
memcpy(&i915->fs, fs, sizeof(*fs));
i915->dirty |= I915_NEW_FS;
}
static void i915_set_sampler_state(struct pipe_context *pipe,
GLuint unit,
const struct pipe_sampler_state *sampler)
{
struct i915_context *i915 = i915_context(pipe);
assert(unit < PIPE_MAX_SAMPLERS);
i915->sampler[unit] = *sampler;
i915->dirty |= I915_NEW_SAMPLER;
}
static void i915_set_texture_state(struct pipe_context *pipe,
GLuint unit,
struct pipe_mipmap_tree *texture)
{
struct i915_context *i915 = i915_context(pipe);
i915->texture[unit] = texture; /* ptr, not struct */
i915->dirty |= I915_NEW_TEXTURE;
}
static void i915_set_framebuffer_state(struct pipe_context *pipe,
const struct pipe_framebuffer_state *fb)
{
struct i915_context *i915 = i915_context(pipe);
i915->framebuffer = *fb; /* struct copy */
i915->dirty |= I915_NEW_FRAMEBUFFER;
}
static void i915_set_clear_color_state(struct pipe_context *pipe,
const struct pipe_clear_color_state *clear)
{
struct i915_context *i915 = i915_context(pipe);
i915->clear_color = *clear; /* struct copy */
}
static void i915_set_clip_state( struct pipe_context *pipe,
const struct pipe_clip_state *clip )
{
struct i915_context *i915 = i915_context(pipe);
draw_set_clip_state(i915->draw, clip);
i915->dirty |= I915_NEW_CLIP;
}
/* Called when driver state tracker notices changes to the viewport
* matrix:
*/
static void i915_set_viewport_state( struct pipe_context *pipe,
const struct pipe_viewport_state *viewport )
{
struct i915_context *i915 = i915_context(pipe);
i915->viewport = *viewport; /* struct copy */
/* pass the viewport info to the draw module */
draw_set_viewport_state(i915->draw, viewport);
/* Using tnl/ and vf/ modules is temporary while getting started.
* Full pipe will have vertex shader, vertex fetch of its own.
*/
i915->dirty |= I915_NEW_VIEWPORT;
}
static void i915_set_setup_state( struct pipe_context *pipe,
const struct pipe_setup_state *setup )
{
struct i915_context *i915 = i915_context(pipe);
i915->setup = *setup;
/* pass-through to draw module */
draw_set_setup_state(i915->draw, setup);
i915->dirty |= I915_NEW_SETUP;
}
void
i915_init_state_functions( struct i915_context *i915 )
{
i915->pipe.set_alpha_test_state = i915_set_alpha_test_state;
i915->pipe.set_blend_color = i915_set_blend_color;
i915->pipe.set_blend_state = i915_set_blend_state;
i915->pipe.set_clip_state = i915_set_clip_state;
i915->pipe.set_clear_color_state = i915_set_clear_color_state;
i915->pipe.set_depth_state = i915_set_depth_test_state;
i915->pipe.set_framebuffer_state = i915_set_framebuffer_state;
i915->pipe.set_fs_state = i915_set_fs_state;
i915->pipe.set_polygon_stipple = i915_set_polygon_stipple;
i915->pipe.set_sampler_state = i915_set_sampler_state;
i915->pipe.set_scissor_state = i915_set_scissor_state;
i915->pipe.set_setup_state = i915_set_setup_state;
i915->pipe.set_stencil_state = i915_set_stencil_state;
i915->pipe.set_texture_state = i915_set_texture_state;
i915->pipe.set_viewport_state = i915_set_viewport_state;
}
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