summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/softpipe/sp_context.c
diff options
context:
space:
mode:
authorJosé Fonseca <[email protected]>2008-02-15 17:35:24 +0900
committerJosé Fonseca <[email protected]>2008-02-15 17:45:40 +0900
commitb642730be93149baa7556e5791393168ab396175 (patch)
tree67d174be5d4814261b93bc8b20c027a26d1c3d06 /src/gallium/drivers/softpipe/sp_context.c
parent4593be34b2a6e494f0e476c8aa8e1d2633fffd47 (diff)
Code reorganization: move files into their places.
This is in a separate commit to ensure renames are properly preserved.
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_context.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_context.c333
1 files changed, 333 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
new file mode 100644
index 00000000000..cea6b90104f
--- /dev/null
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -0,0 +1,333 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+/* Author:
+ * Keith Whitwell <[email protected]>
+ */
+
+#include "pipe/draw/draw_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_util.h"
+#include "sp_clear.h"
+#include "sp_context.h"
+#include "sp_flush.h"
+#include "sp_prim_setup.h"
+#include "sp_prim_vbuf.h"
+#include "sp_state.h"
+#include "sp_surface.h"
+#include "sp_tile_cache.h"
+#include "sp_texture.h"
+#include "sp_winsys.h"
+#include "sp_query.h"
+
+
+
+/**
+ * Query format support for creating a texture, drawing surface, etc.
+ * \param format the format to test
+ * \param type one of PIPE_TEXTURE, PIPE_SURFACE
+ */
+static boolean
+softpipe_is_format_supported( struct pipe_context *pipe,
+ enum pipe_format format, uint type )
+{
+ switch (type) {
+ case PIPE_TEXTURE:
+ /* softpipe supports all texture formats */
+ return TRUE;
+ case PIPE_SURFACE:
+ /* softpipe supports all (off-screen) surface formats */
+ return TRUE;
+ default:
+ assert(0);
+ return FALSE;
+ }
+}
+
+
+/**
+ * Map any drawing surfaces which aren't already mapped
+ */
+void
+softpipe_map_surfaces(struct softpipe_context *sp)
+{
+ unsigned i;
+
+ for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+ sp_tile_cache_map_surfaces(sp->cbuf_cache[i]);
+ }
+
+ sp_tile_cache_map_surfaces(sp->zsbuf_cache);
+}
+
+
+/**
+ * Unmap any mapped drawing surfaces
+ */
+void
+softpipe_unmap_surfaces(struct softpipe_context *sp)
+{
+ uint i;
+
+ for (i = 0; i < sp->framebuffer.num_cbufs; i++)
+ sp_flush_tile_cache(sp, sp->cbuf_cache[i]);
+ sp_flush_tile_cache(sp, sp->zsbuf_cache);
+
+ for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+ sp_tile_cache_unmap_surfaces(sp->cbuf_cache[i]);
+ }
+ sp_tile_cache_unmap_surfaces(sp->zsbuf_cache);
+}
+
+
+static void softpipe_destroy( struct pipe_context *pipe )
+{
+ struct softpipe_context *softpipe = softpipe_context( pipe );
+ struct pipe_winsys *ws = pipe->winsys;
+ uint i;
+
+ draw_destroy( softpipe->draw );
+
+ softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple );
+ softpipe->quad.earlyz->destroy( softpipe->quad.earlyz );
+ softpipe->quad.shade->destroy( softpipe->quad.shade );
+ softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test );
+ softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
+ softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test );
+ softpipe->quad.occlusion->destroy( softpipe->quad.occlusion );
+ softpipe->quad.coverage->destroy( softpipe->quad.coverage );
+ softpipe->quad.bufloop->destroy( softpipe->quad.bufloop );
+ softpipe->quad.blend->destroy( softpipe->quad.blend );
+ softpipe->quad.colormask->destroy( softpipe->quad.colormask );
+ softpipe->quad.output->destroy( softpipe->quad.output );
+
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+ sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
+ sp_destroy_tile_cache(softpipe->zsbuf_cache);
+
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+ sp_destroy_tile_cache(softpipe->tex_cache[i]);
+
+ for (i = 0; i < Elements(softpipe->constants); i++) {
+ if (softpipe->constants[i].buffer) {
+ pipe_buffer_reference(ws, &softpipe->constants[i].buffer, NULL);
+ }
+ }
+
+ FREE( softpipe );
+}
+
+
+static const char *softpipe_get_name( struct pipe_context *pipe )
+{
+ return "softpipe";
+}
+
+static const char *softpipe_get_vendor( struct pipe_context *pipe )
+{
+ return "Tungsten Graphics, Inc.";
+}
+
+static int softpipe_get_param(struct pipe_context *pipe, int param)
+{
+ switch (param) {
+ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+ return 8;
+ case PIPE_CAP_NPOT_TEXTURES:
+ return 1;
+ case PIPE_CAP_TWO_SIDED_STENCIL:
+ return 1;
+ case PIPE_CAP_GLSL:
+ return 1;
+ case PIPE_CAP_S3TC:
+ return 0;
+ case PIPE_CAP_ANISOTROPIC_FILTER:
+ return 0;
+ case PIPE_CAP_POINT_SPRITE:
+ return 1;
+ case PIPE_CAP_MAX_RENDER_TARGETS:
+ return 1;
+ case PIPE_CAP_OCCLUSION_QUERY:
+ return 1;
+ case PIPE_CAP_TEXTURE_SHADOW_MAP:
+ return 1;
+ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+ return 12; /* max 2Kx2K */
+ case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+ return 8; /* max 128x128x128 */
+ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+ return 12; /* max 2Kx2K */
+ default:
+ return 0;
+ }
+}
+
+static float softpipe_get_paramf(struct pipe_context *pipe, int param)
+{
+ switch (param) {
+ case PIPE_CAP_MAX_LINE_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_LINE_WIDTH_AA:
+ return 255.0; /* arbitrary */
+
+ case PIPE_CAP_MAX_POINT_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_POINT_WIDTH_AA:
+ return 255.0; /* arbitrary */
+
+ case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+ return 0.0;
+
+ case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+ return 16.0; /* arbitrary */
+
+ default:
+ return 0;
+ }
+}
+
+struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys,
+ struct softpipe_winsys *softpipe_winsys )
+{
+ struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
+ uint i;
+
+#if defined(__i386__) || defined(__386__)
+ softpipe->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL;
+#else
+ softpipe->use_sse = FALSE;
+#endif
+
+ softpipe->dump_fs = GETENV( "GALLIUM_DUMP_FS" ) != NULL;
+
+ softpipe->pipe.winsys = pipe_winsys;
+ softpipe->pipe.destroy = softpipe_destroy;
+
+ /* queries */
+ softpipe->pipe.is_format_supported = softpipe_is_format_supported;
+ softpipe->pipe.get_name = softpipe_get_name;
+ softpipe->pipe.get_vendor = softpipe_get_vendor;
+ softpipe->pipe.get_param = softpipe_get_param;
+ softpipe->pipe.get_paramf = softpipe_get_paramf;
+
+ /* state setters */
+ softpipe->pipe.create_blend_state = softpipe_create_blend_state;
+ softpipe->pipe.bind_blend_state = softpipe_bind_blend_state;
+ softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
+
+ softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
+ softpipe->pipe.bind_sampler_state = softpipe_bind_sampler_state;
+ softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
+
+ softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
+ softpipe->pipe.bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state;
+ softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
+
+ softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
+ softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state;
+ softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
+
+ softpipe->pipe.create_fs_state = softpipe_create_fs_state;
+ softpipe->pipe.bind_fs_state = softpipe_bind_fs_state;
+ softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
+
+ softpipe->pipe.create_vs_state = softpipe_create_vs_state;
+ softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
+ softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
+
+ softpipe->pipe.set_blend_color = softpipe_set_blend_color;
+ softpipe->pipe.set_clip_state = softpipe_set_clip_state;
+ softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
+ softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
+ softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
+ softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
+ softpipe->pipe.set_sampler_texture = softpipe_set_sampler_texture;
+ softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
+
+ softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer;
+ softpipe->pipe.set_vertex_element = softpipe_set_vertex_element;
+
+ softpipe->pipe.draw_arrays = softpipe_draw_arrays;
+ softpipe->pipe.draw_elements = softpipe_draw_elements;
+
+ softpipe->pipe.clear = softpipe_clear;
+ softpipe->pipe.flush = softpipe_flush;
+
+ softpipe_init_query_funcs( softpipe );
+
+ /* textures */
+ softpipe->pipe.texture_create = softpipe_texture_create;
+ softpipe->pipe.texture_release = softpipe_texture_release;
+ softpipe->pipe.get_tex_surface = softpipe_get_tex_surface;
+
+ /*
+ * Alloc caches for accessing drawing surfaces and textures.
+ * Must be before quad stage setup!
+ */
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+ softpipe->cbuf_cache[i] = sp_create_tile_cache();
+ softpipe->zsbuf_cache = sp_create_tile_cache();
+
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+ softpipe->tex_cache[i] = sp_create_tile_cache();
+
+
+ /* setup quad rendering stages */
+ softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
+ softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe);
+ softpipe->quad.shade = sp_quad_shade_stage(softpipe);
+ softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
+ softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
+ softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);
+ softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);
+ softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);
+ softpipe->quad.bufloop = sp_quad_bufloop_stage(softpipe);
+ softpipe->quad.blend = sp_quad_blend_stage(softpipe);
+ softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
+ softpipe->quad.output = sp_quad_output_stage(softpipe);
+
+ softpipe->winsys = softpipe_winsys;
+
+ /*
+ * Create drawing context and plug our rendering stage into it.
+ */
+ softpipe->draw = draw_create();
+ assert(softpipe->draw);
+ softpipe->setup = sp_draw_render_stage(softpipe);
+
+ if (GETENV( "SP_VBUF" ) != NULL) {
+ sp_init_vbuf(softpipe);
+ }
+ else {
+ draw_set_rasterize_stage(softpipe->draw, softpipe->setup);
+ }
+
+ sp_init_surface_functions(softpipe);
+
+ return &softpipe->pipe;
+}