/************************************************************************** * * 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 */ #include "pipe/draw/draw_context.h" #include "pipe/p_winsys.h" #include "i915_context.h" #include "i915_state.h" /* None of this state is actually used for anything yet. */ static const struct pipe_blend_state * i915_create_blend_state(struct pipe_context *pipe, const struct pipe_blend_state *blend) { struct pipe_blend_state *new_blend = malloc(sizeof(struct pipe_blend_state)); memcpy(new_blend, blend, sizeof(struct pipe_blend_state)); return new_blend; } static void i915_bind_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_delete_blend_state( struct pipe_context *pipe, const struct pipe_blend_state *blend ) { free((void*)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; } static const struct pipe_sampler_state * i915_create_sampler_state(struct pipe_context *pipe, const struct pipe_sampler_state *sampler) { struct pipe_sampler_state *new_sampler = malloc(sizeof(struct pipe_sampler_state)); memcpy(new_sampler, sampler, sizeof(struct pipe_sampler_state)); return new_sampler; } static void i915_bind_sampler_state(struct pipe_context *pipe, unsigned 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_delete_sampler_state(struct pipe_context *pipe, const struct pipe_sampler_state *sampler) { free((struct pipe_sampler_state*)sampler); } /** XXX move someday? Or consolidate all these simple state setters * into one file. */ static const struct pipe_depth_stencil_state * i915_create_depth_stencil_state(struct pipe_context *pipe, const struct pipe_depth_stencil_state *depth_stencil) { struct pipe_depth_stencil_state *new_ds = malloc(sizeof(struct pipe_depth_stencil_state)); memcpy(new_ds, depth_stencil, sizeof(struct pipe_depth_stencil_state)); return new_ds; } static void i915_bind_depth_stencil_state(struct pipe_context *pipe, const struct pipe_depth_stencil_state *depth_stencil) { struct i915_context *i915 = i915_context(pipe); i915->depth_stencil = depth_stencil; i915->dirty |= I915_NEW_DEPTH_STENCIL; } static void i915_delete_depth_stencil_state(struct pipe_context *pipe, const struct pipe_depth_stencil_state *depth_stencil) { free((struct pipe_depth_stencil_state *)depth_stencil); } 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_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_shader_state *fs ) { struct i915_context *i915 = i915_context(pipe); memcpy(&i915->fs, fs, sizeof(*fs)); i915->dirty |= I915_NEW_FS; } static void i915_set_vs_state( struct pipe_context *pipe, const struct pipe_shader_state *vs ) { struct i915_context *i915 = i915_context(pipe); /* just pass-through to draw module */ draw_set_vertex_shader(i915->draw, vs); } static void i915_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index, const struct pipe_constant_buffer *buf) { struct i915_context *i915 = i915_context(pipe); struct pipe_winsys *ws = pipe->winsys; assert(shader < PIPE_SHADER_TYPES); assert(index == 0); /* Make a copy of shader constants. * During fragment program translation we may add additional * constants to the array. * * We want to consider the situation where some user constants * (ex: a material color) may change frequently but the shader program * stays the same. In that case we should only be updating the first * N constants, leaving any extras from shader translation alone. */ { void *mapped; if (buf->size && (mapped = ws->buffer_map(ws, buf->buffer, PIPE_BUFFER_FLAG_READ))) { memcpy(i915->current.constants[shader], mapped, buf->size); ws->buffer_unmap(ws, buf->buffer); i915->current.num_user_constants[shader] = buf->size / (4 * sizeof(float)); } else { i915->current.num_user_constants[shader] = 0; } } i915->dirty |= I915_NEW_CONSTANTS; } static void i915_set_texture_state(struct pipe_context *pipe, unsigned 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, &i915->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 const struct pipe_rasterizer_state * i915_create_rasterizer_state(struct pipe_context *pipe, const struct pipe_rasterizer_state *setup) { struct pipe_rasterizer_state *raster = malloc(sizeof(struct pipe_rasterizer_state)); memcpy(raster, setup, sizeof(struct pipe_rasterizer_state)); return raster; } static void i915_bind_rasterizer_state( struct pipe_context *pipe, const struct pipe_rasterizer_state *setup ) { struct i915_context *i915 = i915_context(pipe); i915->rasterizer = setup; /* pass-through to draw module */ draw_set_rasterizer_state(i915->draw, setup); i915->dirty |= I915_NEW_RASTERIZER; } static void i915_delete_rasterizer_state( struct pipe_context *pipe, const struct pipe_rasterizer_state *setup ) { free((struct pipe_rasterizer_state*)setup); } static void i915_set_vertex_buffer( struct pipe_context *pipe, unsigned index, const struct pipe_vertex_buffer *buffer ) { struct i915_context *i915 = i915_context(pipe); i915->vertex_buffer[index] = *buffer; /* pass-through to draw module */ draw_set_vertex_buffer(i915->draw, index, buffer); } static void i915_set_vertex_element( struct pipe_context *pipe, unsigned index, const struct pipe_vertex_element *element) { struct i915_context *i915 = i915_context(pipe); /* pass-through to draw module */ draw_set_vertex_element(i915->draw, index, element); } void i915_init_state_functions( struct i915_context *i915 ) { i915->pipe.create_blend_state = i915_create_blend_state; i915->pipe.bind_blend_state = i915_bind_blend_state; i915->pipe.delete_blend_state = i915_delete_blend_state; i915->pipe.create_sampler_state = i915_create_sampler_state; i915->pipe.bind_sampler_state = i915_bind_sampler_state; i915->pipe.delete_sampler_state = i915_delete_sampler_state; i915->pipe.create_depth_stencil_state = i915_create_depth_stencil_state; i915->pipe.bind_depth_stencil_state = i915_bind_depth_stencil_state; i915->pipe.delete_depth_stencil_state = i915_delete_depth_stencil_state; i915->pipe.create_rasterizer_state = i915_create_rasterizer_state; i915->pipe.bind_rasterizer_state = i915_bind_rasterizer_state; i915->pipe.delete_rasterizer_state = i915_delete_rasterizer_state; i915->pipe.set_alpha_test_state = i915_set_alpha_test_state; i915->pipe.set_blend_color = i915_set_blend_color; i915->pipe.set_clip_state = i915_set_clip_state; i915->pipe.set_clear_color_state = i915_set_clear_color_state; i915->pipe.set_constant_buffer = i915_set_constant_buffer; i915->pipe.set_framebuffer_state = i915_set_framebuffer_state; i915->pipe.set_fs_state = i915_set_fs_state; i915->pipe.set_vs_state = i915_set_vs_state; i915->pipe.set_polygon_stipple = i915_set_polygon_stipple; i915->pipe.set_scissor_state = i915_set_scissor_state; i915->pipe.set_texture_state = i915_set_texture_state; i915->pipe.set_viewport_state = i915_set_viewport_state; i915->pipe.set_vertex_buffer = i915_set_vertex_buffer; i915->pipe.set_vertex_element = i915_set_vertex_element; }