diff options
Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 169 |
1 files changed, 69 insertions, 100 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 5821da4889..5b05489270 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -58,6 +58,7 @@ #include "util/u_inlines.h" #include "util/u_format.h" #include "util/u_prim.h" +#include "util/u_draw_quad.h" #include "draw/draw_context.h" #include "cso_cache/cso_context.h" @@ -494,6 +495,49 @@ setup_non_interleaved_attribs(GLcontext *ctx, } +static void +setup_index_buffer(GLcontext *ctx, + const struct _mesa_index_buffer *ib, + struct pipe_index_buffer *ibuffer) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + + memset(ibuffer, 0, sizeof(*ibuffer)); + if (ib) { + struct gl_buffer_object *bufobj = ib->obj; + + switch (ib->type) { + case GL_UNSIGNED_INT: + ibuffer->index_size = 4; + break; + case GL_UNSIGNED_SHORT: + ibuffer->index_size = 2; + break; + case GL_UNSIGNED_BYTE: + ibuffer->index_size = 1; + break; + default: + assert(0); + return; + } + + /* get/create the index buffer object */ + if (bufobj && bufobj->Name) { + /* elements/indexes are in a real VBO */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + pipe_resource_reference(&ibuffer->buffer, stobj->buffer); + ibuffer->offset = pointer_to_offset(ib->ptr); + } + else { + /* element/indicies are in user space memory */ + ibuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) ib->ptr, + ib->count * ibuffer->index_size, + PIPE_BIND_INDEX_BUFFER); + } + } +} /** * Prior to drawing, check that any uniforms referenced by the @@ -568,8 +612,11 @@ st_draw_vbo(GLcontext *ctx, GLuint attr; struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; unsigned num_vbuffers, num_velements; + struct pipe_index_buffer ibuffer; GLboolean userSpace = GL_FALSE; GLboolean vertDataEdgeFlags; + struct pipe_draw_info info; + unsigned i; /* Mesa core state should have been validated already */ assert(ctx->NewState == 0x0); @@ -647,113 +694,35 @@ st_draw_vbo(GLcontext *ctx, if (num_vbuffers == 0 || num_velements == 0) return; - /* do actual drawing */ - if (ib) { - /* indexed primitive */ - struct gl_buffer_object *bufobj = ib->obj; - struct pipe_resource *indexBuf = NULL; - unsigned indexSize, indexOffset, i; + setup_index_buffer(ctx, ib, &ibuffer); + pipe->set_index_buffer(pipe, &ibuffer); - switch (ib->type) { - case GL_UNSIGNED_INT: - indexSize = 4; - break; - case GL_UNSIGNED_SHORT: - indexSize = 2; - break; - case GL_UNSIGNED_BYTE: - indexSize = 1; - break; - default: - assert(0); - return; - } - - /* get/create the index buffer object */ - if (bufobj && bufobj->Name) { - /* elements/indexes are in a real VBO */ - struct st_buffer_object *stobj = st_buffer_object(bufobj); - pipe_resource_reference(&indexBuf, stobj->buffer); - indexOffset = pointer_to_offset(ib->ptr) / indexSize; - } - else { - /* element/indicies are in user space memory */ - indexBuf = pipe_user_buffer_create(pipe->screen, (void *) ib->ptr, - ib->count * indexSize, - PIPE_BIND_INDEX_BUFFER); - indexOffset = 0; + util_draw_init_info(&info); + if (ib) { + info.indexed = TRUE; + if (min_index != ~0 && max_index != ~0) { + info.min_index = min_index; + info.max_index = max_index; } + } - /* draw */ - if (pipe->draw_range_elements && min_index != ~0 && max_index != ~0) { - /* XXX: exercise temporary path to pass min/max directly - * through to driver & draw module. These interfaces still - * need a bit of work... - */ - for (i = 0; i < nr_prims; i++) { - unsigned vcount = prims[i].count; - unsigned prim = translate_prim(ctx, prims[i].mode); - - if (u_trim_pipe_prim(prims[i].mode, &vcount)) { - pipe->draw_range_elements(pipe, indexBuf, indexSize, - prims[i].basevertex, - min_index, max_index, prim, - prims[i].start + indexOffset, vcount); - } - } - } - else { - for (i = 0; i < nr_prims; i++) { - unsigned vcount = prims[i].count; - unsigned prim = translate_prim(ctx, prims[i].mode); - - if (u_trim_pipe_prim(prims[i].mode, &vcount)) { - if (prims[i].num_instances == 1) { - pipe->draw_elements(pipe, indexBuf, - indexSize, - prims[i].basevertex, - prim, - prims[i].start + indexOffset, - vcount); - } - else { - pipe->draw_elements_instanced(pipe, indexBuf, - indexSize, - prims[i].basevertex, - prim, - prims[i].start + indexOffset, - vcount, - 0, /* startInstance */ - prims[i].num_instances); - } - } - } + /* do actual drawing */ + for (i = 0; i < nr_prims; i++) { + info.mode = translate_prim( ctx, prims[i].mode ); + info.start = prims[i].start; + info.count = prims[i].count; + info.instance_count = prims[i].num_instances; + info.index_bias = prims[i].basevertex; + if (!ib) { + info.min_index = info.start; + info.max_index = info.start + info.count - 1; } - pipe_resource_reference(&indexBuf, NULL); + if (u_trim_pipe_prim(info.mode, &info.count)) + pipe->draw_vbo(pipe, &info); } - else { - /* non-indexed */ - GLuint i; - - for (i = 0; i < nr_prims; i++) { - unsigned vcount = prims[i].count; - unsigned prim = translate_prim(ctx, prims[i].mode); - if (u_trim_pipe_prim(prims[i].mode, &vcount)) { - if (prims[i].num_instances == 1) { - pipe->draw_arrays(pipe, prim, prims[i].start, vcount); - } - else { - pipe->draw_arrays_instanced(pipe, prim, - prims[i].start, - vcount, - 0, /* startInstance */ - prims[i].num_instances); - } - } - } - } + pipe_resource_reference(&ibuffer.buffer, NULL); /* unreference buffers (frees wrapped user-space buffer objects) */ for (attr = 0; attr < num_vbuffers; attr++) { |