diff options
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_prim_vbuf.c')
-rw-r--r-- | src/gallium/drivers/i915simple/i915_prim_vbuf.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/src/gallium/drivers/i915simple/i915_prim_vbuf.c b/src/gallium/drivers/i915simple/i915_prim_vbuf.c deleted file mode 100644 index 8a3e466c84..0000000000 --- a/src/gallium/drivers/i915simple/i915_prim_vbuf.c +++ /dev/null @@ -1,645 +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. - * - **************************************************************************/ - -/** - * \file - * Build post-transformation, post-clipping vertex buffers and element - * lists by hooking into the end of the primitive pipeline and - * manipulating the vertex_id field in the vertex headers. - * - * XXX: work in progress - * - * \author José Fonseca <jrfonseca@tungstengraphics.com> - * \author Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "draw/draw_context.h" -#include "draw/draw_vbuf.h" -#include "util/u_debug.h" -#include "pipe/p_inlines.h" -#include "util/u_math.h" -#include "util/u_memory.h" -#include "util/u_fifo.h" - -#include "i915_context.h" -#include "i915_reg.h" -#include "i915_batch.h" -#include "i915_state.h" - - -/** - * Primitive renderer for i915. - */ -struct i915_vbuf_render { - struct vbuf_render base; - - struct i915_context *i915; - - /** Vertex size in bytes */ - size_t vertex_size; - - /** Software primitive */ - unsigned prim; - - /** Hardware primitive */ - unsigned hwprim; - - /** Genereate a vertex list */ - unsigned fallback; - - /* Stuff for the vbo */ - struct intel_buffer *vbo; - size_t vbo_size; - size_t vbo_offset; - void *vbo_ptr; - size_t vbo_max_used; - - /* stuff for the pool */ - struct util_fifo *pool_fifo; - unsigned pool_used; - unsigned pool_buffer_size; - boolean pool_not_used; -}; - - -/** - * Basically a cast wrapper. - */ -static INLINE struct i915_vbuf_render * -i915_vbuf_render(struct vbuf_render *render) -{ - assert(render); - return (struct i915_vbuf_render *)render; -} - -static const struct vertex_info * -i915_vbuf_render_get_vertex_info(struct vbuf_render *render) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - - if (i915->dirty) { - /* make sure we have up to date vertex layout */ - i915_update_derived(i915); - } - - return &i915->current.vertex_info; -} - -static boolean -i915_vbuf_render_reserve(struct i915_vbuf_render *i915_render, size_t size) -{ - struct i915_context *i915 = i915_render->i915; - - if (i915_render->vbo_size < size + i915_render->vbo_offset) - return FALSE; - - if (i915->vbo_flushed) - return FALSE; - - return TRUE; -} - -static void -i915_vbuf_render_new_buf(struct i915_vbuf_render *i915_render, size_t size) -{ - struct i915_context *i915 = i915_render->i915; - struct intel_winsys *iws = i915->iws; - - if (i915_render->vbo) { - if (i915_render->pool_not_used) - iws->buffer_destroy(iws, i915_render->vbo); - else - u_fifo_add(i915_render->pool_fifo, i915_render->vbo); - i915_render->vbo = NULL; - } - - i915->vbo_flushed = 0; - - i915_render->vbo_size = MAX2(size, i915_render->pool_buffer_size); - i915_render->vbo_offset = 0; - - if (i915_render->vbo_size != i915_render->pool_buffer_size) { - i915_render->pool_not_used = TRUE; - i915_render->vbo = iws->buffer_create(iws, i915_render->vbo_size, 64, - INTEL_NEW_VERTEX); - } else { - i915_render->pool_not_used = FALSE; - - if (i915_render->pool_used >= 2) { - FLUSH_BATCH(NULL); - i915->vbo_flushed = 0; - i915_render->pool_used = 0; - } - u_fifo_pop(i915_render->pool_fifo, (void**)&i915_render->vbo); - } -} - -static boolean -i915_vbuf_render_allocate_vertices(struct vbuf_render *render, - ushort vertex_size, - ushort nr_vertices) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - size_t size = (size_t)vertex_size * (size_t)nr_vertices; - - /* FIXME: handle failure */ - assert(!i915->vbo); - - if (!i915_vbuf_render_reserve(i915_render, size)) { - - if (i915->vbo_flushed) - i915_render->pool_used = 0; - - i915_vbuf_render_new_buf(i915_render, size); - } - - i915_render->vertex_size = vertex_size; - i915->vbo = i915_render->vbo; - i915->vbo_offset = i915_render->vbo_offset; - i915->dirty |= I915_NEW_VBO; - - if (!i915_render->vbo) - return FALSE; - return TRUE; -} - -static void * -i915_vbuf_render_map_vertices(struct vbuf_render *render) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - struct intel_winsys *iws = i915->iws; - - if (i915->vbo_flushed) - debug_printf("%s bad vbo flush occured stalling on hw\n", __FUNCTION__); - - i915_render->vbo_ptr = iws->buffer_map(iws, i915_render->vbo, TRUE); - - return (unsigned char *)i915_render->vbo_ptr + i915->vbo_offset; -} - -static void -i915_vbuf_render_unmap_vertices(struct vbuf_render *render, - ushort min_index, - ushort max_index) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - struct intel_winsys *iws = i915->iws; - - i915_render->vbo_max_used = MAX2(i915_render->vbo_max_used, i915_render->vertex_size * (max_index + 1)); - iws->buffer_unmap(iws, i915_render->vbo); -} - -static boolean -i915_vbuf_render_set_primitive(struct vbuf_render *render, - unsigned prim) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - i915_render->prim = prim; - - switch(prim) { - case PIPE_PRIM_POINTS: - i915_render->hwprim = PRIM3D_POINTLIST; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_LINES: - i915_render->hwprim = PRIM3D_LINELIST; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_LINE_LOOP: - i915_render->hwprim = PRIM3D_LINELIST; - i915_render->fallback = PIPE_PRIM_LINE_LOOP; - return TRUE; - case PIPE_PRIM_LINE_STRIP: - i915_render->hwprim = PRIM3D_LINESTRIP; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_TRIANGLES: - i915_render->hwprim = PRIM3D_TRILIST; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_TRIANGLE_STRIP: - i915_render->hwprim = PRIM3D_TRISTRIP; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_TRIANGLE_FAN: - i915_render->hwprim = PRIM3D_TRIFAN; - i915_render->fallback = 0; - return TRUE; - case PIPE_PRIM_QUADS: - i915_render->hwprim = PRIM3D_TRILIST; - i915_render->fallback = PIPE_PRIM_QUADS; - return TRUE; - case PIPE_PRIM_QUAD_STRIP: - i915_render->hwprim = PRIM3D_TRILIST; - i915_render->fallback = PIPE_PRIM_QUAD_STRIP; - return TRUE; - case PIPE_PRIM_POLYGON: - i915_render->hwprim = PRIM3D_POLY; - i915_render->fallback = 0; - return TRUE; - default: - /* FIXME: Actually, can handle a lot more just fine... */ - return FALSE; - } -} - -/** - * Used for fallbacks in draw_arrays - */ -static void -draw_arrays_generate_indices(struct vbuf_render *render, - unsigned start, uint nr, - unsigned type) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - unsigned i; - unsigned end = start + nr; - switch(type) { - case 0: - for (i = start; i+1 < end; i += 2) - OUT_BATCH((i+0) | (i+1) << 16); - if (i < end) - OUT_BATCH(i); - break; - case PIPE_PRIM_LINE_LOOP: - if (nr >= 2) { - for (i = start + 1; i < end; i++) - OUT_BATCH((i-0) | (i+0) << 16); - OUT_BATCH((i-0) | ( start) << 16); - } - break; - case PIPE_PRIM_QUADS: - for (i = start; i + 3 < end; i += 4) { - OUT_BATCH((i+0) | (i+1) << 16); - OUT_BATCH((i+3) | (i+1) << 16); - OUT_BATCH((i+2) | (i+3) << 16); - } - break; - case PIPE_PRIM_QUAD_STRIP: - for (i = start; i + 3 < end; i += 2) { - OUT_BATCH((i+0) | (i+1) << 16); - OUT_BATCH((i+3) | (i+2) << 16); - OUT_BATCH((i+0) | (i+3) << 16); - } - break; - default: - assert(0); - } -} - -static unsigned -draw_arrays_calc_nr_indices(uint nr, unsigned type) -{ - switch (type) { - case 0: - return nr; - case PIPE_PRIM_LINE_LOOP: - if (nr >= 2) - return nr * 2; - else - return 0; - case PIPE_PRIM_QUADS: - return (nr / 4) * 6; - case PIPE_PRIM_QUAD_STRIP: - return ((nr - 2) / 2) * 6; - default: - assert(0); - return 0; - } -} - -static void -draw_arrays_fallback(struct vbuf_render *render, - unsigned start, - uint nr) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - unsigned nr_indices; - - if (i915->dirty) - i915_update_derived(i915); - - if (i915->hardware_dirty) - i915_emit_hardware_state(i915); - - nr_indices = draw_arrays_calc_nr_indices(nr, i915_render->fallback); - if (!nr_indices) - return; - - if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) { - FLUSH_BATCH(NULL); - - /* Make sure state is re-emitted after a flush: - */ - i915_update_derived(i915); - i915_emit_hardware_state(i915); - i915->vbo_flushed = 1; - - if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) { - assert(0); - goto out; - } - } - OUT_BATCH(_3DPRIMITIVE | - PRIM_INDIRECT | - i915_render->hwprim | - PRIM_INDIRECT_ELTS | - nr_indices); - - draw_arrays_generate_indices(render, start, nr, i915_render->fallback); - -out: - return; -} - -static void -i915_vbuf_render_draw_arrays(struct vbuf_render *render, - unsigned start, - uint nr) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - - if (i915_render->fallback) { - draw_arrays_fallback(render, start, nr); - return; - } - - if (i915->dirty) - i915_update_derived(i915); - - if (i915->hardware_dirty) - i915_emit_hardware_state(i915); - - if (!BEGIN_BATCH(2, 0)) { - FLUSH_BATCH(NULL); - - /* Make sure state is re-emitted after a flush: - */ - i915_update_derived(i915); - i915_emit_hardware_state(i915); - i915->vbo_flushed = 1; - - if (!BEGIN_BATCH(2, 0)) { - assert(0); - goto out; - } - } - - OUT_BATCH(_3DPRIMITIVE | - PRIM_INDIRECT | - PRIM_INDIRECT_SEQUENTIAL | - i915_render->hwprim | - nr); - OUT_BATCH(start); /* Beginning vertex index */ - -out: - return; -} - -/** - * Used for normal and fallback emitting of indices - * If type is zero normal operation assumed. - */ -static void -draw_generate_indices(struct vbuf_render *render, - const ushort *indices, - uint nr_indices, - unsigned type) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - unsigned i; - - switch(type) { - case 0: - for (i = 0; i + 1 < nr_indices; i += 2) { - OUT_BATCH(indices[i] | indices[i+1] << 16); - } - if (i < nr_indices) { - OUT_BATCH(indices[i]); - } - break; - case PIPE_PRIM_LINE_LOOP: - if (nr_indices >= 2) { - for (i = 1; i < nr_indices; i++) - OUT_BATCH(indices[i-1] | indices[i] << 16); - OUT_BATCH(indices[i-1] | indices[0] << 16); - } - break; - case PIPE_PRIM_QUADS: - for (i = 0; i + 3 < nr_indices; i += 4) { - OUT_BATCH(indices[i+0] | indices[i+1] << 16); - OUT_BATCH(indices[i+3] | indices[i+1] << 16); - OUT_BATCH(indices[i+2] | indices[i+3] << 16); - } - break; - case PIPE_PRIM_QUAD_STRIP: - for (i = 0; i + 3 < nr_indices; i += 2) { - OUT_BATCH(indices[i+0] | indices[i+1] << 16); - OUT_BATCH(indices[i+3] | indices[i+2] << 16); - OUT_BATCH(indices[i+0] | indices[i+3] << 16); - } - break; - default: - assert(0); - break; - } -} - -static unsigned -draw_calc_nr_indices(uint nr_indices, unsigned type) -{ - switch (type) { - case 0: - return nr_indices; - case PIPE_PRIM_LINE_LOOP: - if (nr_indices >= 2) - return nr_indices * 2; - else - return 0; - case PIPE_PRIM_QUADS: - return (nr_indices / 4) * 6; - case PIPE_PRIM_QUAD_STRIP: - return ((nr_indices - 2) / 2) * 6; - default: - assert(0); - return 0; - } -} - -static void -i915_vbuf_render_draw(struct vbuf_render *render, - const ushort *indices, - uint nr_indices) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - unsigned save_nr_indices; - - save_nr_indices = nr_indices; - - nr_indices = draw_calc_nr_indices(nr_indices, i915_render->fallback); - if (!nr_indices) - return; - - if (i915->dirty) - i915_update_derived(i915); - - if (i915->hardware_dirty) - i915_emit_hardware_state(i915); - - if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) { - FLUSH_BATCH(NULL); - - /* Make sure state is re-emitted after a flush: - */ - i915_update_derived(i915); - i915_emit_hardware_state(i915); - i915->vbo_flushed = 1; - - if (!BEGIN_BATCH(1 + (nr_indices + 1)/2, 1)) { - assert(0); - goto out; - } - } - - OUT_BATCH(_3DPRIMITIVE | - PRIM_INDIRECT | - i915_render->hwprim | - PRIM_INDIRECT_ELTS | - nr_indices); - draw_generate_indices(render, - indices, - save_nr_indices, - i915_render->fallback); - -out: - return; -} - -static void -i915_vbuf_render_release_vertices(struct vbuf_render *render) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - struct i915_context *i915 = i915_render->i915; - - assert(i915->vbo); - - i915_render->vbo_offset += i915_render->vbo_max_used; - i915_render->vbo_max_used = 0; - i915->vbo = NULL; - i915->dirty |= I915_NEW_VBO; -} - -static void -i915_vbuf_render_destroy(struct vbuf_render *render) -{ - struct i915_vbuf_render *i915_render = i915_vbuf_render(render); - FREE(i915_render); -} - -/** - * Create a new primitive render. - */ -static struct vbuf_render * -i915_vbuf_render_create(struct i915_context *i915) -{ - struct i915_vbuf_render *i915_render = CALLOC_STRUCT(i915_vbuf_render); - struct intel_winsys *iws = i915->iws; - int i; - - i915_render->i915 = i915; - - i915_render->base.max_vertex_buffer_bytes = 128*1024; - - /* NOTE: it must be such that state and vertices indices fit in a single - * batch buffer. - */ - i915_render->base.max_indices = 16*1024; - - i915_render->base.get_vertex_info = i915_vbuf_render_get_vertex_info; - i915_render->base.allocate_vertices = i915_vbuf_render_allocate_vertices; - i915_render->base.map_vertices = i915_vbuf_render_map_vertices; - i915_render->base.unmap_vertices = i915_vbuf_render_unmap_vertices; - i915_render->base.set_primitive = i915_vbuf_render_set_primitive; - i915_render->base.draw = i915_vbuf_render_draw; - i915_render->base.draw_arrays = i915_vbuf_render_draw_arrays; - i915_render->base.release_vertices = i915_vbuf_render_release_vertices; - i915_render->base.destroy = i915_vbuf_render_destroy; - - - i915_render->vbo = NULL; - i915_render->vbo_size = 0; - i915_render->vbo_offset = 0; - - i915_render->pool_used = FALSE; - i915_render->pool_buffer_size = 128 * 4096; - i915_render->pool_fifo = u_fifo_create(6); - for (i = 0; i < 6; i++) - u_fifo_add(i915_render->pool_fifo, - iws->buffer_create(iws, i915_render->pool_buffer_size, 64, - INTEL_NEW_VERTEX)); - -#if 0 - /* TODO JB: is this realy needed? */ - i915_render->vbo_ptr = iws->buffer_map(iws, i915_render->vbo, TRUE); - iws->buffer_unmap(iws, i915_render->vbo); -#endif - - return &i915_render->base; -} - -/** - * Create a new primitive vbuf/render stage. - */ -struct draw_stage *i915_draw_vbuf_stage(struct i915_context *i915) -{ - struct vbuf_render *render; - struct draw_stage *stage; - - render = i915_vbuf_render_create(i915); - if(!render) - return NULL; - - stage = draw_vbuf_stage(i915->draw, render); - if(!stage) { - render->destroy(render); - return NULL; - } - /** TODO JB: this shouldn't be here */ - draw_set_render(i915->draw, render); - - return stage; -} |