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Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_context.c')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_context.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_context.c b/src/gallium/drivers/cell/ppu/cell_context.c
new file mode 100644
index 00000000000..bbe1fd7a111
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_context.c
@@ -0,0 +1,287 @@
+/**************************************************************************
+ *
+ * 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
+ * Brian Paul
+ */
+
+
+#include <stdio.h>
+
+#include "pipe/p_defines.h"
+#include "pipe/p_format.h"
+#include "pipe/p_util.h"
+#include "pipe/p_winsys.h"
+#include "pipe/cell/common.h"
+#include "pipe/draw/draw_context.h"
+#include "pipe/draw/draw_private.h"
+#include "cell_clear.h"
+#include "cell_context.h"
+#include "cell_draw_arrays.h"
+#include "cell_flush.h"
+#include "cell_render.h"
+#include "cell_state.h"
+#include "cell_surface.h"
+#include "cell_spu.h"
+#include "cell_texture.h"
+#include "cell_vbuf.h"
+
+
+
+static boolean
+cell_is_format_supported( struct pipe_context *pipe,
+ enum pipe_format format, uint type )
+{
+ /*struct cell_context *cell = cell_context( pipe );*/
+
+ switch (type) {
+ case PIPE_TEXTURE:
+ /* cell supports all texture formats, XXX for now anyway */
+ return TRUE;
+ case PIPE_SURFACE:
+ /* cell supports all (off-screen) surface formats, XXX for now */
+ return TRUE;
+ default:
+ assert(0);
+ return FALSE;
+ }
+}
+
+
+static int cell_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 cell_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;
+ }
+}
+
+
+static const char *
+cell_get_name( struct pipe_context *pipe )
+{
+ return "Cell";
+}
+
+static const char *
+cell_get_vendor( struct pipe_context *pipe )
+{
+ return "Tungsten Graphics, Inc.";
+}
+
+
+
+static void
+cell_destroy_context( struct pipe_context *pipe )
+{
+ struct cell_context *cell = cell_context(pipe);
+
+ cell_spu_exit(cell);
+
+ align_free(cell);
+}
+
+
+static struct draw_context *
+cell_draw_create(struct cell_context *cell)
+{
+ struct draw_context *draw = draw_create();
+
+ if (getenv("GALLIUM_CELL_VS")) {
+ /* plug in SPU-based vertex transformation code */
+ draw->shader_queue_flush = cell_vertex_shader_queue_flush;
+ draw->driver_private = cell;
+ }
+
+ return draw;
+}
+
+
+struct pipe_context *
+cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws)
+{
+ struct cell_context *cell;
+ uint spu, buf;
+
+ /* some fields need to be 16-byte aligned, so align the whole object */
+ cell = (struct cell_context*) align_malloc(sizeof(struct cell_context), 16);
+ if (!cell)
+ return NULL;
+
+ memset(cell, 0, sizeof(*cell));
+
+ cell->winsys = cws;
+ cell->pipe.winsys = winsys;
+ cell->pipe.destroy = cell_destroy_context;
+
+ /* queries */
+ cell->pipe.is_format_supported = cell_is_format_supported;
+ cell->pipe.get_name = cell_get_name;
+ cell->pipe.get_vendor = cell_get_vendor;
+ cell->pipe.get_param = cell_get_param;
+ cell->pipe.get_paramf = cell_get_paramf;
+
+
+ /* state setters */
+ cell->pipe.create_blend_state = cell_create_blend_state;
+ cell->pipe.bind_blend_state = cell_bind_blend_state;
+ cell->pipe.delete_blend_state = cell_delete_blend_state;
+
+ cell->pipe.create_sampler_state = cell_create_sampler_state;
+ cell->pipe.bind_sampler_state = cell_bind_sampler_state;
+ cell->pipe.delete_sampler_state = cell_delete_sampler_state;
+
+ cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
+ cell->pipe.bind_depth_stencil_alpha_state = cell_bind_depth_stencil_alpha_state;
+ cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
+
+ cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
+ cell->pipe.bind_rasterizer_state = cell_bind_rasterizer_state;
+ cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
+
+ cell->pipe.create_fs_state = cell_create_fs_state;
+ cell->pipe.bind_fs_state = cell_bind_fs_state;
+ cell->pipe.delete_fs_state = cell_delete_fs_state;
+
+ cell->pipe.create_vs_state = cell_create_vs_state;
+ cell->pipe.bind_vs_state = cell_bind_vs_state;
+ cell->pipe.delete_vs_state = cell_delete_vs_state;
+
+ cell->pipe.set_blend_color = cell_set_blend_color;
+ cell->pipe.set_clip_state = cell_set_clip_state;
+ cell->pipe.set_constant_buffer = cell_set_constant_buffer;
+
+ cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
+
+ cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
+ cell->pipe.set_scissor_state = cell_set_scissor_state;
+ cell->pipe.set_viewport_state = cell_set_viewport_state;
+
+ cell->pipe.set_vertex_buffer = cell_set_vertex_buffer;
+ cell->pipe.set_vertex_element = cell_set_vertex_element;
+
+ cell->pipe.draw_arrays = cell_draw_arrays;
+ cell->pipe.draw_elements = cell_draw_elements;
+
+ cell->pipe.clear = cell_clear_surface;
+ cell->pipe.flush = cell_flush;
+
+ /* textures */
+ cell->pipe.texture_create = cell_texture_create;
+ cell->pipe.texture_release = cell_texture_release;
+ cell->pipe.get_tex_surface = cell_get_tex_surface;
+
+ cell->pipe.set_sampler_texture = cell_set_sampler_texture;
+
+#if 0
+ cell->pipe.begin_query = cell_begin_query;
+ cell->pipe.end_query = cell_end_query;
+ cell->pipe.wait_query = cell_wait_query;
+#endif
+
+ cell_init_surface_functions(cell);
+
+ cell->draw = cell_draw_create(cell);
+
+ cell_init_vbuf(cell);
+ draw_set_rasterize_stage(cell->draw, cell->vbuf);
+
+ /*
+ * SPU stuff
+ */
+ cell->num_spus = 6;
+
+ cell_start_spus(cell);
+
+ /* init command, vertex/index buffer info */
+ for (buf = 0; buf < CELL_NUM_BUFFERS; buf++) {
+ cell->buffer_size[buf] = 0;
+
+ /* init batch buffer status values,
+ * mark 0th buffer as used, rest as free.
+ */
+ for (spu = 0; spu < cell->num_spus; spu++) {
+ if (buf == 0)
+ cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_USED;
+ else
+ cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_FREE;
+ }
+ }
+
+ return &cell->pipe;
+}
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