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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: Zack Rusin <zack@tungstengraphics.com>
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "pipe/p_winsys.h"
#include "pipe/p_util.h"
#include "pipe/p_shader_tokens.h"
#include "pipe/tgsi/util/tgsi_dump.h"
#include "brw_context.h"
#include "brw_defines.h"
#include "brw_state.h"
#include "brw_draw.h"
#define DUP( TYPE, VAL ) \
do { \
struct TYPE *x = malloc(sizeof(*x)); \
memcpy(x, VAL, sizeof(*x) ); \
return x; \
} while (0)
/************************************************************************
* Blend
*/
static void *
brw_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
{
DUP( pipe_blend_state, blend );
}
static void brw_bind_blend_state(struct pipe_context *pipe,
void *blend)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Blend = (struct pipe_blend_state*)blend;
brw->state.dirty.brw |= BRW_NEW_BLEND;
}
static void brw_delete_blend_state(struct pipe_context *pipe, void *blend)
{
free(blend);
}
static void brw_set_blend_color( struct pipe_context *pipe,
const struct pipe_blend_color *blend_color )
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.BlendColor = *blend_color;
brw->state.dirty.brw |= BRW_NEW_BLEND;
}
/************************************************************************
* Sampler
*/
static void *
brw_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
DUP( pipe_sampler_state, sampler );
}
static void brw_bind_sampler_state(struct pipe_context *pipe,
unsigned unit, void *sampler)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Samplers[unit] = sampler;
brw->state.dirty.brw |= BRW_NEW_SAMPLER;
}
static void brw_delete_sampler_state(struct pipe_context *pipe,
void *sampler)
{
free(sampler);
}
static void brw_set_sampler_units(struct pipe_context *pipe,
uint numSamplers, const uint *units)
{
}
/************************************************************************
* Depth stencil
*/
static void *
brw_create_depth_stencil_state(struct pipe_context *pipe,
const struct pipe_depth_stencil_state *depth_stencil)
{
DUP( pipe_depth_stencil_state, depth_stencil );
}
static void brw_bind_depth_stencil_state(struct pipe_context *pipe,
void *depth_stencil)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.DepthStencil = (const struct pipe_depth_stencil_state *)depth_stencil;
brw->state.dirty.brw |= BRW_NEW_DEPTH_STENCIL;
}
static void brw_delete_depth_stencil_state(struct pipe_context *pipe,
void *depth_stencil)
{
free(depth_stencil);
}
/************************************************************************
* Alpha test
*/
static void *
brw_create_alpha_test_state(struct pipe_context *pipe,
const struct pipe_alpha_test_state *alpha_test)
{
DUP(pipe_alpha_test_state, alpha_test);
}
static void brw_bind_alpha_test_state(struct pipe_context *pipe,
void *alpha)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.AlphaTest = (const struct pipe_alpha_test_state*)alpha;
brw->state.dirty.brw |= BRW_NEW_ALPHA_TEST;
}
static void brw_delete_alpha_test_state(struct pipe_context *pipe,
void *alpha)
{
free(alpha);
}
/************************************************************************
* Scissor
*/
static void brw_set_scissor_state( struct pipe_context *pipe,
const struct pipe_scissor_state *scissor )
{
struct brw_context *brw = brw_context(pipe);
memcpy( &brw->attribs.Scissor, scissor, sizeof(*scissor) );
brw->state.dirty.brw |= BRW_NEW_SCISSOR;
}
/************************************************************************
* Stipple
*/
static void brw_set_polygon_stipple( struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple )
{
}
/************************************************************************
* Fragment shader
*/
static void * brw_create_fs_state(struct pipe_context *pipe,
const struct pipe_shader_state *shader)
{
struct brw_fragment_program *brw_fp = CALLOC_STRUCT(brw_fragment_program);
/* XXX: Do I have to duplicate the tokens as well??
*/
brw_fp->program = *shader;
return (void *)brw_fp;
}
static void brw_bind_fs_state(struct pipe_context *pipe, void *shader)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.FragmentProgram = (struct brw_fragment_program *)shader;
brw->state.dirty.brw |= BRW_NEW_FS;
}
static void brw_delete_fs_state(struct pipe_context *pipe, void *shader)
{
FREE(shader);
}
/************************************************************************
* Vertex shader and other TNL state
*/
static void *brw_create_vs_state(struct pipe_context *pipe,
const struct pipe_shader_state *shader)
{
struct brw_vertex_program *brw_vp = CALLOC_STRUCT(brw_vertex_program);
/* XXX: Do I have to duplicate the tokens as well??
*/
brw_vp->program = *shader;
tgsi_dump(shader->tokens, 0);
return (void *)brw_vp;
}
static void brw_bind_vs_state(struct pipe_context *pipe, void *vs)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.VertexProgram = (struct brw_vertex_program *)vs;
brw->state.dirty.brw |= BRW_NEW_VS;
printf("YYYYYYYYYYYYY BINDING VERTEX SHADER\n");
}
static void brw_delete_vs_state(struct pipe_context *pipe, void *shader)
{
FREE(shader);
}
static void brw_set_clip_state( struct pipe_context *pipe,
const struct pipe_clip_state *clip )
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Clip = *clip;
}
static void brw_set_viewport_state( struct pipe_context *pipe,
const struct pipe_viewport_state *viewport )
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Viewport = *viewport; /* struct copy */
brw->state.dirty.brw |= BRW_NEW_VIEWPORT;
/* pass the viewport info to the draw module */
//draw_set_viewport_state(brw->draw, viewport);
}
static void brw_set_vertex_buffer( struct pipe_context *pipe,
unsigned index,
const struct pipe_vertex_buffer *buffer )
{
struct brw_context *brw = brw_context(pipe);
brw->vb.vbo_array[index] = *buffer;
if (index > brw->vb.last_vb)
brw->vb.last_vb = index;
assert(brw->vb.last_vb < BRW_VEP_MAX);
}
static void brw_set_vertex_element(struct pipe_context *pipe,
unsigned index,
const struct pipe_vertex_element *element)
{
/* flush ? */
struct brw_context *brw = brw_context(pipe);
assert(index < PIPE_ATTRIB_MAX);
struct brw_vertex_element el;
memset(&el, 0, sizeof(struct brw_vertex_element));
/* do we need those anymore?*/
el.index = index;
#if 0
/*FIXME*/
el.element_size = 0;
el.count = 0;
el.vbo_rebase_offset = 0;
#endif
el.vep.ve0.src_offset = element->src_offset;
el.vep.ve0.src_format = brw_translate_surface_format(element->src_format);
el.vep.ve0.valid = 1;
el.vep.ve0.vertex_buffer_index = element->vertex_buffer_index;
el.vep.ve1.dst_offset = element->dst_offset;
el.vep.ve1.vfcomponent3 = BRW_VFCOMPONENT_STORE_SRC;
el.vep.ve1.vfcomponent2 = BRW_VFCOMPONENT_STORE_SRC;
el.vep.ve1.vfcomponent1 = BRW_VFCOMPONENT_STORE_SRC;
el.vep.ve1.vfcomponent0 = BRW_VFCOMPONENT_STORE_SRC;
/*can we count of brw->vb.vbo_array[element->vertex_buffer_index]
* being initialized ok to actually compute vbcomponent's
* correctly? */
brw->vb.inputs[index] = el;
}
/************************************************************************
* Constant buffers
*/
static void brw_set_constant_buffer(struct pipe_context *pipe,
uint shader, uint index,
const struct pipe_constant_buffer *buf)
{
struct brw_context *brw = brw_context(pipe);
assert(buf == 0 || index == 0);
brw->attribs.Constants[shader] = buf;
brw->state.dirty.brw |= BRW_NEW_CONSTANTS;
}
/************************************************************************
* Texture surfaces
*/
static void brw_set_texture_state(struct pipe_context *pipe,
unsigned unit,
struct pipe_texture *texture)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Texture[unit] = (struct brw_texture*)texture; /* ptr, not struct */
brw->state.dirty.brw |= BRW_NEW_TEXTURE;
}
/************************************************************************
* Render targets, etc
*/
static void brw_set_framebuffer_state(struct pipe_context *pipe,
const struct pipe_framebuffer_state *fb)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.FrameBuffer = *fb; /* struct copy */
brw->state.dirty.brw |= BRW_NEW_FRAMEBUFFER;
}
static void brw_set_clear_color_state(struct pipe_context *pipe,
const struct pipe_clear_color_state *clear)
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.ClearColor = *clear; /* struct copy */
}
/************************************************************************
* Rasterizer state
*/
static void *
brw_create_rasterizer_state(struct pipe_context *pipe,
const struct pipe_rasterizer_state *rasterizer)
{
DUP(pipe_rasterizer_state, rasterizer);
}
static void brw_bind_rasterizer_state( struct pipe_context *pipe,
void *setup )
{
struct brw_context *brw = brw_context(pipe);
brw->attribs.Raster = (struct pipe_rasterizer_state *)setup;
/* Also pass-through to draw module:
*/
//draw_set_rasterizer_state(brw->draw, setup);
brw->state.dirty.brw |= BRW_NEW_RASTERIZER;
}
static void brw_delete_rasterizer_state(struct pipe_context *pipe,
void *setup)
{
free(setup);
}
void
brw_init_state_functions( struct brw_context *brw )
{
brw->pipe.create_alpha_test_state = brw_create_alpha_test_state;
brw->pipe.bind_alpha_test_state = brw_bind_alpha_test_state;
brw->pipe.delete_alpha_test_state = brw_delete_alpha_test_state;
brw->pipe.create_blend_state = brw_create_blend_state;
brw->pipe.bind_blend_state = brw_bind_blend_state;
brw->pipe.delete_blend_state = brw_delete_blend_state;
brw->pipe.create_sampler_state = brw_create_sampler_state;
brw->pipe.bind_sampler_state = brw_bind_sampler_state;
brw->pipe.delete_sampler_state = brw_delete_sampler_state;
brw->pipe.create_depth_stencil_state = brw_create_depth_stencil_state;
brw->pipe.bind_depth_stencil_state = brw_bind_depth_stencil_state;
brw->pipe.delete_depth_stencil_state = brw_delete_depth_stencil_state;
brw->pipe.create_rasterizer_state = brw_create_rasterizer_state;
brw->pipe.bind_rasterizer_state = brw_bind_rasterizer_state;
brw->pipe.delete_rasterizer_state = brw_delete_rasterizer_state;
brw->pipe.create_fs_state = brw_create_fs_state;
brw->pipe.bind_fs_state = brw_bind_fs_state;
brw->pipe.delete_fs_state = brw_delete_fs_state;
brw->pipe.create_vs_state = brw_create_vs_state;
brw->pipe.bind_vs_state = brw_bind_vs_state;
brw->pipe.delete_vs_state = brw_delete_vs_state;
brw->pipe.set_blend_color = brw_set_blend_color;
brw->pipe.set_clip_state = brw_set_clip_state;
brw->pipe.set_clear_color_state = brw_set_clear_color_state;
brw->pipe.set_constant_buffer = brw_set_constant_buffer;
brw->pipe.set_framebuffer_state = brw_set_framebuffer_state;
// brw->pipe.set_feedback_state = brw_set_feedback_state;
// brw->pipe.set_feedback_buffer = brw_set_feedback_buffer;
brw->pipe.set_polygon_stipple = brw_set_polygon_stipple;
brw->pipe.set_sampler_units = brw_set_sampler_units;
brw->pipe.set_scissor_state = brw_set_scissor_state;
brw->pipe.set_texture_state = brw_set_texture_state;
brw->pipe.set_viewport_state = brw_set_viewport_state;
brw->pipe.set_vertex_buffer = brw_set_vertex_buffer;
brw->pipe.set_vertex_element = brw_set_vertex_element;
}
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