diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_vbuf.c')
-rw-r--r-- | src/gallium/drivers/cell/ppu/cell_vbuf.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_vbuf.c b/src/gallium/drivers/cell/ppu/cell_vbuf.c deleted file mode 100644 index 37b71956482..00000000000 --- a/src/gallium/drivers/cell/ppu/cell_vbuf.c +++ /dev/null @@ -1,332 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - -/** - * Vertex buffer code. The draw module transforms vertices to window - * coords, etc. and emits the vertices into buffer supplied by this module. - * When a vertex buffer is full, or we flush, we'll send the vertex data - * to the SPUs. - * - * Authors - * Brian Paul - */ - - -#include "cell_batch.h" -#include "cell_context.h" -#include "cell_fence.h" -#include "cell_flush.h" -#include "cell_spu.h" -#include "cell_vbuf.h" -#include "draw/draw_vbuf.h" -#include "util/u_memory.h" - - -/** Allow vertex data to be inlined after RENDER command */ -#define ALLOW_INLINE_VERTS 1 - - -/** - * Subclass of vbuf_render because we need a cell_context pointer in - * a few places. - */ -struct cell_vbuf_render -{ - struct vbuf_render base; - struct cell_context *cell; - uint prim; /**< PIPE_PRIM_x */ - uint vertex_size; /**< in bytes */ - void *vertex_buffer; /**< just for debug, really */ - uint vertex_buf; /**< in [0, CELL_NUM_BUFFERS-1] */ - uint vertex_buffer_size; /**< size in bytes */ -}; - - -/** cast wrapper */ -static struct cell_vbuf_render * -cell_vbuf_render(struct vbuf_render *vbr) -{ - return (struct cell_vbuf_render *) vbr; -} - - - -static const struct vertex_info * -cell_vbuf_get_vertex_info(struct vbuf_render *vbr) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - return &cvbr->cell->vertex_info; -} - - -static boolean -cell_vbuf_allocate_vertices(struct vbuf_render *vbr, - ushort vertex_size, ushort nr_vertices) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - unsigned size = vertex_size * nr_vertices; - /*printf("Alloc verts %u * %u\n", vertex_size, nr_vertices);*/ - - assert(cvbr->vertex_buf == ~0); - cvbr->vertex_buf = cell_get_empty_buffer(cvbr->cell); - cvbr->vertex_buffer = cvbr->cell->buffer[cvbr->vertex_buf]; - cvbr->vertex_buffer_size = size; - cvbr->vertex_size = vertex_size; - - return cvbr->vertex_buffer != NULL; -} - - -static void -cell_vbuf_release_vertices(struct vbuf_render *vbr) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - struct cell_context *cell = cvbr->cell; - - /* - printf("%s vertex_buf = %u count = %u\n", - __FUNCTION__, cvbr->vertex_buf, vertices_used); - */ - - /* Make sure texture buffers aren't released until we're done rendering - * with them. - */ - cell_add_fenced_textures(cell); - - /* Tell SPUs they can release the vert buf */ - if (cvbr->vertex_buf != ~0U) { - STATIC_ASSERT(sizeof(struct cell_command_release_verts) % 16 == 0); - struct cell_command_release_verts *release - = (struct cell_command_release_verts *) - cell_batch_alloc16(cell, sizeof(struct cell_command_release_verts)); - release->opcode[0] = CELL_CMD_RELEASE_VERTS; - release->vertex_buf = cvbr->vertex_buf; - } - - cvbr->vertex_buf = ~0; - cell_flush_int(cell, 0x0); - - cvbr->vertex_buffer = NULL; -} - - -static void * -cell_vbuf_map_vertices(struct vbuf_render *vbr) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - return cvbr->vertex_buffer; -} - - -static void -cell_vbuf_unmap_vertices(struct vbuf_render *vbr, - ushort min_index, - ushort max_index ) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - assert( cvbr->vertex_buffer_size >= (max_index+1) * cvbr->vertex_size ); - /* do nothing */ -} - - - -static boolean -cell_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - cvbr->prim = prim; - /*printf("cell_set_prim %u\n", prim);*/ - return TRUE; -} - - -static void -cell_vbuf_draw_elements(struct vbuf_render *vbr, - const ushort *indices, - uint nr_indices) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - struct cell_context *cell = cvbr->cell; - float xmin, ymin, xmax, ymax; - uint i; - uint nr_vertices = 0, min_index = ~0; - const void *vertices = cvbr->vertex_buffer; - const uint vertex_size = cvbr->vertex_size; - - for (i = 0; i < nr_indices; i++) { - if (indices[i] > nr_vertices) - nr_vertices = indices[i]; - if (indices[i] < min_index) - min_index = indices[i]; - } - nr_vertices++; - -#if 0 - /*if (min_index > 0)*/ - printf("%s min_index = %u\n", __FUNCTION__, min_index); -#endif - -#if 0 - printf("cell_vbuf_draw() nr_indices = %u nr_verts = %u\n", - nr_indices, nr_vertices); - printf(" "); - for (i = 0; i < nr_indices; i += 3) { - printf("%u %u %u, ", indices[i+0], indices[i+1], indices[i+2]); - } - printf("\n"); -#elif 0 - printf("cell_vbuf_draw() nr_indices = %u nr_verts = %u indexes = [%u %u %u ...]\n", - nr_indices, nr_vertices, - indices[0], indices[1], indices[2]); - printf("ind space = %u, vert space = %u, space = %u\n", - nr_indices * 2, - nr_vertices * 4 * cell->vertex_info.size, - cell_batch_free_space(cell)); -#endif - - /* compute x/y bounding box */ - xmin = ymin = 1e50; - xmax = ymax = -1e50; - for (i = min_index; i < nr_vertices; i++) { - const float *v = (float *) ((ubyte *) vertices + i * vertex_size); - if (v[0] < xmin) - xmin = v[0]; - if (v[0] > xmax) - xmax = v[0]; - if (v[1] < ymin) - ymin = v[1]; - if (v[1] > ymax) - ymax = v[1]; - } -#if 0 - printf("PPU Bounds %g, %g .. %g, %g\n", xmin, ymin, xmax, ymax); - fflush(stdout); -#endif - - if (cvbr->prim != PIPE_PRIM_TRIANGLES) - return; /* only render tris for now */ - - /* build/insert batch RENDER command */ - { - const uint index_bytes = ROUNDUP16(nr_indices * 2); - const uint vertex_bytes = ROUNDUP16(nr_vertices * 4 * cell->vertex_info.size); - STATIC_ASSERT(sizeof(struct cell_command_render) % 16 == 0); - const uint batch_size = sizeof(struct cell_command_render) + index_bytes; - - struct cell_command_render *render - = (struct cell_command_render *) - cell_batch_alloc16(cell, batch_size); - - render->opcode[0] = CELL_CMD_RENDER; - render->prim_type = cvbr->prim; - - render->num_indexes = nr_indices; - render->min_index = min_index; - - /* append indices after render command */ - memcpy(render + 1, indices, nr_indices * 2); - - /* if there's room, append vertices after the indices, else leave - * vertices in the original/separate buffer. - */ - render->vertex_size = 4 * cell->vertex_info.size; - render->num_verts = nr_vertices; - if (ALLOW_INLINE_VERTS && - min_index == 0 && - vertex_bytes + 16 <= cell_batch_free_space(cell)) { - /* vertex data inlined, after indices, at 16-byte boundary */ - void *dst = cell_batch_alloc16(cell, vertex_bytes); - memcpy(dst, vertices, vertex_bytes); - render->inline_verts = TRUE; - render->vertex_buf = ~0; - } - else { - /* vertex data in separate buffer */ - render->inline_verts = FALSE; - ASSERT(cvbr->vertex_buf >= 0); - render->vertex_buf = cvbr->vertex_buf; - } - - render->xmin = xmin; - render->ymin = ymin; - render->xmax = xmax; - render->ymax = ymax; - } - -#if 0 - /* helpful for debug */ - cell_flush_int(cell, CELL_FLUSH_WAIT); -#endif -} - - -static void -cell_vbuf_destroy(struct vbuf_render *vbr) -{ - struct cell_vbuf_render *cvbr = cell_vbuf_render(vbr); - cvbr->cell->vbuf_render = NULL; - FREE(cvbr); -} - - -/** - * Initialize the post-transform vertex buffer information for the given - * context. - */ -void -cell_init_vbuf(struct cell_context *cell) -{ - assert(cell->draw); - - cell->vbuf_render = CALLOC_STRUCT(cell_vbuf_render); - - /* The max number of indexes is what can fix into a batch buffer, - * minus the render and release-verts commands. - */ - cell->vbuf_render->base.max_indices - = (CELL_BUFFER_SIZE - - sizeof(struct cell_command_render) - - sizeof(struct cell_command_release_verts)) - / sizeof(ushort); - cell->vbuf_render->base.max_vertex_buffer_bytes = CELL_BUFFER_SIZE; - - cell->vbuf_render->base.get_vertex_info = cell_vbuf_get_vertex_info; - cell->vbuf_render->base.allocate_vertices = cell_vbuf_allocate_vertices; - cell->vbuf_render->base.map_vertices = cell_vbuf_map_vertices; - cell->vbuf_render->base.unmap_vertices = cell_vbuf_unmap_vertices; - cell->vbuf_render->base.set_primitive = cell_vbuf_set_primitive; - cell->vbuf_render->base.draw_elements = cell_vbuf_draw_elements; - cell->vbuf_render->base.release_vertices = cell_vbuf_release_vertices; - cell->vbuf_render->base.destroy = cell_vbuf_destroy; - - cell->vbuf_render->cell = cell; -#if 1 - cell->vbuf_render->vertex_buf = ~0; -#endif - - cell->vbuf = draw_vbuf_stage(cell->draw, &cell->vbuf_render->base); -} |