*/
-#include "pipe/p_util.h"
+#include "util/u_memory.h"
+#include "util/u_math.h"
#include "draw_context.h"
-#include "draw_private.h"
-
+#include "draw_vbuf.h"
+#include "draw_vs.h"
+#include "draw_pt.h"
+#include "draw_pipe.h"
struct draw_context *draw_create( void )
{
struct draw_context *draw = CALLOC_STRUCT( draw_context );
-
-#if defined(__i386__) || defined(__386__)
- draw->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL;
-#else
- draw->use_sse = FALSE;
-#endif
-
- /* create pipeline stages */
- draw->pipeline.wide = draw_wide_stage( draw );
- draw->pipeline.stipple = draw_stipple_stage( draw );
- draw->pipeline.unfilled = draw_unfilled_stage( draw );
- draw->pipeline.twoside = draw_twoside_stage( draw );
- draw->pipeline.offset = draw_offset_stage( draw );
- draw->pipeline.clip = draw_clip_stage( draw );
- draw->pipeline.flatshade = draw_flatshade_stage( draw );
- draw->pipeline.cull = draw_cull_stage( draw );
- draw->pipeline.validate = draw_validate_stage( draw );
- draw->pipeline.first = draw->pipeline.validate;
+ if (draw == NULL)
+ goto fail;
ASSIGN_4V( draw->plane[0], -1, 0, 0, 1 );
ASSIGN_4V( draw->plane[1], 1, 0, 0, 1 );
ASSIGN_4V( draw->plane[5], 0, 0, -1, 1 ); /* mesa's a bit wonky */
draw->nr_planes = 6;
- /* Statically allocate maximum sized vertices for the cache - could be cleverer...
- */
- {
- uint i;
- const unsigned size = (MAX_VERTEX_SIZE + 0x0f) & ~0x0f;
- char *tmp = align_malloc(Elements(draw->vcache.vertex) * size, 16);
- for (i = 0; i < Elements(draw->vcache.vertex); i++)
- draw->vcache.vertex[i] = (struct vertex_header *)(tmp + i * size);
- }
+ draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */
- draw->shader_queue_flush = draw_vertex_shader_queue_flush;
- draw->convert_wide_points = TRUE;
- draw->convert_wide_lines = TRUE;
+ if (!draw_pipeline_init( draw ))
+ goto fail;
- draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */
+ if (!draw_pt_init( draw ))
+ goto fail;
- draw_vertex_cache_invalidate( draw );
- draw_set_mapped_element_buffer( draw, 0, NULL );
+#ifdef PIPE_ARCH_X86
+ if (!draw_vs_init( draw ))
+ goto fail;
+#endif
return draw;
+
+fail:
+ draw_destroy( draw );
+ return NULL;
}
void draw_destroy( struct draw_context *draw )
{
- draw->pipeline.wide->destroy( draw->pipeline.wide );
- draw->pipeline.stipple->destroy( draw->pipeline.stipple );
- draw->pipeline.unfilled->destroy( draw->pipeline.unfilled );
- draw->pipeline.twoside->destroy( draw->pipeline.twoside );
- draw->pipeline.offset->destroy( draw->pipeline.offset );
- draw->pipeline.clip->destroy( draw->pipeline.clip );
- draw->pipeline.flatshade->destroy( draw->pipeline.flatshade );
- draw->pipeline.cull->destroy( draw->pipeline.cull );
- draw->pipeline.validate->destroy( draw->pipeline.validate );
- if (draw->pipeline.rasterize)
- draw->pipeline.rasterize->destroy( draw->pipeline.rasterize );
- tgsi_exec_machine_free_data(&draw->machine);
- align_free( draw->vcache.vertex[0] ); /* Frees all the vertices. */
+ if (!draw)
+ return;
+
+
+
+ /* Not so fast -- we're just borrowing this at the moment.
+ *
+ if (draw->render)
+ draw->render->destroy( draw->render );
+ */
+
+ draw_pipeline_destroy( draw );
+ draw_pt_destroy( draw );
+ draw_vs_destroy( draw );
+
FREE( draw );
}
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
draw->rasterizer = raster;
+ draw->bypass_clipping =
+ ((draw->rasterizer && draw->rasterizer->bypass_clipping) ||
+ draw->driver.bypass_clipping);
+}
+
+
+void draw_set_driver_clipping( struct draw_context *draw,
+ boolean bypass_clipping )
+{
+ draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
+
+ draw->driver.bypass_clipping = bypass_clipping;
+ draw->bypass_clipping = (draw->rasterizer->bypass_clipping ||
+ draw->driver.bypass_clipping);
}
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
draw->viewport = *viewport; /* struct copy */
+ draw->identity_viewport = (viewport->scale[0] == 1.0f &&
+ viewport->scale[1] == 1.0f &&
+ viewport->scale[2] == 1.0f &&
+ viewport->scale[3] == 1.0f &&
+ viewport->translate[0] == 0.0f &&
+ viewport->translate[1] == 0.0f &&
+ viewport->translate[2] == 0.0f &&
+ viewport->translate[3] == 0.0f);
+
+ draw_vs_set_viewport( draw, viewport );
}
void
-draw_set_vertex_buffer(struct draw_context *draw,
- unsigned attr,
- const struct pipe_vertex_buffer *buffer)
+draw_set_vertex_buffers(struct draw_context *draw,
+ unsigned count,
+ const struct pipe_vertex_buffer *buffers)
{
- draw_do_flush( draw, DRAW_FLUSH_VERTEX_CACHE/*STATE_CHANGE*/ );
- assert(attr < PIPE_ATTRIB_MAX);
- draw->vertex_buffer[attr] = *buffer;
+ assert(count <= PIPE_MAX_ATTRIBS);
+
+ memcpy(draw->pt.vertex_buffer, buffers, count * sizeof(buffers[0]));
+ draw->pt.nr_vertex_buffers = count;
}
void
-draw_set_vertex_element(struct draw_context *draw,
- unsigned attr,
- const struct pipe_vertex_element *element)
+draw_set_vertex_elements(struct draw_context *draw,
+ unsigned count,
+ const struct pipe_vertex_element *elements)
{
- draw_do_flush( draw, DRAW_FLUSH_VERTEX_CACHE/*STATE_CHANGE*/ );
- assert(attr < PIPE_ATTRIB_MAX);
- draw->vertex_element[attr] = *element;
+ assert(count <= PIPE_MAX_ATTRIBS);
+
+ memcpy(draw->pt.vertex_element, elements, count * sizeof(elements[0]));
+ draw->pt.nr_vertex_elements = count;
}
draw_set_mapped_vertex_buffer(struct draw_context *draw,
unsigned attr, const void *buffer)
{
- draw_do_flush( draw, DRAW_FLUSH_VERTEX_CACHE/*STATE_CHANGE*/ );
- draw->user.vbuffer[attr] = buffer;
+ draw->pt.user.vbuffer[attr] = buffer;
}
void
draw_set_mapped_constant_buffer(struct draw_context *draw,
- const void *buffer)
+ const void *buffer,
+ unsigned size )
+{
+ draw->pt.user.constants = buffer;
+ draw_vs_set_constants( draw, (const float (*)[4])buffer, size );
+}
+
+
+/**
+ * Tells the draw module to draw points with triangles if their size
+ * is greater than this threshold.
+ */
+void
+draw_wide_point_threshold(struct draw_context *draw, float threshold)
{
- draw_do_flush( draw, DRAW_FLUSH_VERTEX_CACHE/*STATE_CHANGE*/ );
- draw->user.constants = buffer;
+ draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
+ draw->pipeline.wide_point_threshold = threshold;
}
/**
- * Tells the draw module whether to convert wide points (size != 1)
- * into triangles.
+ * Tells the draw module to draw lines with triangles if their width
+ * is greater than this threshold.
*/
void
-draw_convert_wide_points(struct draw_context *draw, boolean enable)
+draw_wide_line_threshold(struct draw_context *draw, float threshold)
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
- draw->convert_wide_points = enable;
+ draw->pipeline.wide_line_threshold = threshold;
}
/**
- * Tells the draw module whether to convert wide lines (width != 1)
- * into triangles.
+ * Tells the draw module whether or not to implement line stipple.
*/
void
-draw_convert_wide_lines(struct draw_context *draw, boolean enable)
+draw_enable_line_stipple(struct draw_context *draw, boolean enable)
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
- draw->convert_wide_lines = enable;
+ draw->pipeline.line_stipple = enable;
}
/**
- * Allocate space for temporary post-transform vertices, such as for clipping.
+ * Tells draw module whether to convert points to quads for sprite mode.
*/
-void draw_alloc_temp_verts( struct draw_stage *stage, unsigned nr )
+void
+draw_enable_point_sprites(struct draw_context *draw, boolean enable)
{
- assert(!stage->tmp);
+ draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
+ draw->pipeline.point_sprite = enable;
+}
- stage->nr_tmps = nr;
- if (nr) {
- ubyte *store = (ubyte *) MALLOC( MAX_VERTEX_SIZE * nr );
- unsigned i;
+/**
+ * Ask the draw module for the location/slot of the given vertex attribute in
+ * a post-transformed vertex.
+ *
+ * With this function, drivers that use the draw module should have no reason
+ * to track the current vertex shader.
+ *
+ * Note that the draw module may sometimes generate vertices with extra
+ * attributes (such as texcoords for AA lines). The driver can call this
+ * function to find those attributes.
+ *
+ * Zero is returned if the attribute is not found since this is
+ * a don't care / undefined situtation. Returning -1 would be a bit more
+ * work for the drivers.
+ */
+int
+draw_find_vs_output(const struct draw_context *draw,
+ uint semantic_name, uint semantic_index)
+{
+ const struct draw_vertex_shader *vs = draw->vs.vertex_shader;
+ uint i;
+ for (i = 0; i < vs->info.num_outputs; i++) {
+ if (vs->info.output_semantic_name[i] == semantic_name &&
+ vs->info.output_semantic_index[i] == semantic_index)
+ return i;
+ }
- stage->tmp = (struct vertex_header **) MALLOC( sizeof(struct vertex_header *) * nr );
-
- for (i = 0; i < nr; i++)
- stage->tmp[i] = (struct vertex_header *)(store + i * MAX_VERTEX_SIZE);
+ /* XXX there may be more than one extra vertex attrib.
+ * For example, simulated gl_FragCoord and gl_PointCoord.
+ */
+ if (draw->extra_vp_outputs.semantic_name == semantic_name &&
+ draw->extra_vp_outputs.semantic_index == semantic_index) {
+ return draw->extra_vp_outputs.slot;
}
+ return 0;
}
-void draw_free_temp_verts( struct draw_stage *stage )
+/**
+ * Return number of vertex shader outputs.
+ */
+uint
+draw_num_vs_outputs(const struct draw_context *draw)
{
- if (stage->tmp) {
- FREE( stage->tmp[0] );
- FREE( stage->tmp );
- stage->tmp = NULL;
- }
+ uint count = draw->vs.vertex_shader->info.num_outputs;
+ if (draw->extra_vp_outputs.slot > 0)
+ count++;
+ return count;
}
-boolean draw_use_sse(struct draw_context *draw)
+
+void draw_set_render( struct draw_context *draw,
+ struct vbuf_render *render )
+{
+ draw->render = render;
+}
+
+void draw_set_edgeflags( struct draw_context *draw,
+ const unsigned *edgeflag )
{
- return (boolean) draw->use_sse;
+ draw->pt.user.edgeflag = edgeflag;
}
-void draw_reset_vertex_ids(struct draw_context *draw)
+
+
+/**
+ * Tell the drawing context about the index/element buffer to use
+ * (ala glDrawElements)
+ * If no element buffer is to be used (i.e. glDrawArrays) then this
+ * should be called with eltSize=0 and elements=NULL.
+ *
+ * \param draw the drawing context
+ * \param eltSize size of each element (1, 2 or 4 bytes)
+ * \param elements the element buffer ptr
+ */
+void
+draw_set_mapped_element_buffer_range( struct draw_context *draw,
+ unsigned eltSize,
+ unsigned min_index,
+ unsigned max_index,
+ void *elements )
{
- struct draw_stage *stage = draw->pipeline.first;
-
- while (stage) {
- unsigned i;
+ draw->pt.user.elts = elements;
+ draw->pt.user.eltSize = eltSize;
+ draw->pt.user.min_index = min_index;
+ draw->pt.user.max_index = max_index;
+}
- for (i = 0; i < stage->nr_tmps; i++)
- stage->tmp[i]->vertex_id = UNDEFINED_VERTEX_ID;
- stage = stage->next;
- }
+void
+draw_set_mapped_element_buffer( struct draw_context *draw,
+ unsigned eltSize,
+ void *elements )
+{
+ draw->pt.user.elts = elements;
+ draw->pt.user.eltSize = eltSize;
+ draw->pt.user.min_index = 0;
+ draw->pt.user.max_index = 0xffffffff;
+}
- draw_vertex_cache_reset_vertex_ids(draw);
+
+/* Revamp me please:
+ */
+void draw_do_flush( struct draw_context *draw, unsigned flags )
+{
+ if (!draw->suspend_flushing)
+ {
+ assert(!draw->flushing); /* catch inadvertant recursion */
+
+ draw->flushing = TRUE;
+
+ draw_pipeline_flush( draw, flags );
+
+ draw->reduced_prim = ~0; /* is reduced_prim needed any more? */
+
+ draw->flushing = FALSE;
+ }
}
projects / mesa.git / blobdiff