diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/sources | 1 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_context.c | 6 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_context.h | 7 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 180 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw.h | 20 |
5 files changed, 205 insertions, 9 deletions
diff --git a/src/mesa/sources b/src/mesa/sources index a672ad2fcff..ec561294c5a 100644 --- a/src/mesa/sources +++ b/src/mesa/sources @@ -210,6 +210,7 @@ STATETRACKER_SOURCES = \ state_tracker/st_cb_flush.c \ state_tracker/st_cb_drawpixels.c \ state_tracker/st_cb_fbo.c \ + state_tracker/st_cb_feedback.c \ state_tracker/st_cb_program.c \ state_tracker/st_cb_queryobj.c \ state_tracker/st_cb_rasterpos.c \ diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c index e66e65e2dd6..6ab643f1fef 100644 --- a/src/mesa/state_tracker/st_context.c +++ b/src/mesa/state_tracker/st_context.c @@ -33,6 +33,7 @@ #include "st_cb_clear.h" #include "st_cb_drawpixels.h" #include "st_cb_fbo.h" +#include "st_cb_feedback.h" #include "st_cb_queryobj.h" #include "st_cb_rasterpos.h" #include "st_cb_readpixels.h" @@ -43,6 +44,7 @@ #include "st_draw.h" #include "st_program.h" #include "pipe/p_context.h" +#include "pipe/draw/draw_context.h" void st_invalidate_state(GLcontext * ctx, GLuint new_state) @@ -64,6 +66,8 @@ struct st_context *st_create_context( GLcontext *ctx, st->ctx = ctx; st->pipe = pipe; + st->draw = draw_create(); /* for selection/feedback */ + st->dirty.mesa = ~0; st->dirty.st = ~0; @@ -97,6 +101,7 @@ struct st_context *st_create_context( GLcontext *ctx, void st_destroy_context( struct st_context *st ) { + draw_destroy(st->draw); st_destroy_atoms( st ); st_destroy_draw( st ); @@ -120,6 +125,7 @@ void st_init_driver_functions(struct dd_function_table *functions) st_init_clear_functions(functions); st_init_drawpixels_functions(functions); st_init_fbo_functions(functions); + st_init_feedback_functions(functions); st_init_program_functions(functions); st_init_query_functions(functions); st_init_rasterpos_functions(functions); diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index 98b78af7c5b..56cae7d9734 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -37,6 +37,9 @@ struct st_region; struct st_texture_object; struct st_texture_image; struct st_fragment_program; +struct draw_context; +struct draw_stage; + #define ST_NEW_MESA 0x1 /* Mesa state has changed */ #define ST_NEW_FRAGMENT_PROGRAM 0x2 @@ -62,6 +65,10 @@ struct st_context struct pipe_context *pipe; + struct draw_context *draw; /**< For selection/feedback */ + struct draw_stage *feedback_stage; /**< For FL_FEEDBACK rendermode */ + struct draw_stage *selection_stage; /**< For GL_SELECT rendermode */ + /* Eventually will use a cache to feed the pipe with * create/bind/delete calls to constant state objects. Not yet * though, we just shove random objects across the interface. diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 1facc14ccd4..69f4b7fa5b0 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -46,6 +46,8 @@ #include "pipe/p_winsys.h" #include "pipe/tgsi/exec/tgsi_attribs.h" +#include "pipe/draw/draw_private.h" +#include "pipe/draw/draw_context.h" static GLuint @@ -173,14 +175,14 @@ update_default_attribs_buffer(GLcontext *ctx) * we have something to render. * Basically, translate the information into the format expected by pipe. */ -static void -draw_vbo(GLcontext *ctx, - const struct gl_client_array **arrays, - const struct _mesa_prim *prims, - GLuint nr_prims, - const struct _mesa_index_buffer *ib, - GLuint min_index, - GLuint max_index) +void +st_draw_vbo(GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index) { struct pipe_context *pipe = ctx->st->pipe; GLuint attr, i; @@ -356,6 +358,166 @@ st_draw_vertices(GLcontext *ctx, unsigned prim, +/** + * Called by VBO to draw arrays when in selection or feedback mode. + * This is very much like the normal draw_vbo() function above. + * Look at code refactoring some day. + * Might move this into the failover module some day. + */ +void +st_feedback_draw_vbo(GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index) +{ + struct st_context *st = ctx->st; + struct pipe_context *pipe = st->pipe; + struct draw_context *draw = st->draw; + GLuint attr, i; + GLbitfield attrsNeeded; + const unsigned attr0_offset = (unsigned) arrays[0]->Ptr; + struct pipe_buffer_handle *index_buffer_handle = 0; + + assert(ctx->RenderMode == GL_SELECT || + ctx->RenderMode == GL_FEEDBACK); + assert(draw); + + /* + * Set up the draw module's state. + * + * We'd like to do this less frequently, but the normal state-update + * code sends state updates to the pipe, not to our private draw module. + */ + assert(draw); + draw_set_viewport_state(draw, &st->state.viewport); + draw_set_clip_state(draw, &st->state.clip); + draw_set_setup_state(draw, &st->state.setup); + draw_set_vertex_shader(draw, &st->state.vs); + /* XXX need to set vertex info too */ + + + update_default_attribs_buffer(ctx); + + /* this must be after state validation */ + attrsNeeded = ctx->st->state.vs.inputs_read; + + /* tell draw module about the vertex array element/attributes */ + for (attr = 0; attr < 16; attr++) { + struct pipe_vertex_buffer vbuffer; + struct pipe_vertex_element velement; + void *map; + + vbuffer.buffer = NULL; + vbuffer.pitch = 0; + velement.src_offset = 0; + velement.vertex_buffer_index = 0; + velement.src_format = 0; + + if (attrsNeeded & (1 << attr)) { + const GLuint mesaAttr = tgsi_attrib_to_mesa_attrib(attr); + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + + if (bufobj && bufobj->Name) { + struct st_buffer_object *stobj = st_buffer_object(bufobj); + /* Recall that for VBOs, the gl_client_array->Ptr field is + * really an offset from the start of the VBO, not a pointer. + */ + unsigned offset = (unsigned) arrays[mesaAttr]->Ptr; + + assert(stobj->buffer); + + vbuffer.buffer = stobj->buffer; + vbuffer.buffer_offset = attr0_offset; /* in bytes */ + vbuffer.pitch = arrays[mesaAttr]->StrideB; /* in bytes */ + vbuffer.max_index = 0; /* need this? */ + + velement.src_offset = offset - attr0_offset; /* bytes */ + velement.vertex_buffer_index = attr; + velement.dst_offset = 0; /* need this? */ + velement.src_format = pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size); + assert(velement.src_format); + } + else { + /* use the default attribute buffer */ + vbuffer.buffer = ctx->st->default_attrib_buffer; + vbuffer.buffer_offset = 0; + vbuffer.pitch = 0; /* must be zero! */ + vbuffer.max_index = 1; + + velement.src_offset = attr * 4 * sizeof(GLfloat); + velement.vertex_buffer_index = attr; + velement.dst_offset = 0; + velement.src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + } + } + + if (attr == 0) + assert(vbuffer.buffer); + + draw_set_vertex_buffer(draw, attr, &vbuffer); + draw_set_vertex_element(draw, attr, &velement); + + /* map the attrib buffer */ + if (vbuffer.buffer) { + map = pipe->winsys->buffer_map(pipe->winsys, + vbuffer.buffer, + PIPE_BUFFER_FLAG_READ); + draw_set_mapped_vertex_buffer(draw, attr, map); + } + } + + + if (ib) { + unsigned indexSize; + struct gl_buffer_object *bufobj = ib->obj; + struct st_buffer_object *stobj = st_buffer_object(bufobj); + index_buffer_handle = stobj->buffer; + void *map; + + switch (ib->type) { + case GL_UNSIGNED_INT: + indexSize = 4; + break; + case GL_UNSIGNED_SHORT: + indexSize = 2; + break; + default: + assert(0); + } + + map = pipe->winsys->buffer_map(pipe->winsys, + index_buffer_handle, + PIPE_BUFFER_FLAG_READ); + draw_set_mapped_element_buffer(draw, indexSize, map); + } + + + /* draw here */ + for (i = 0; i < nr_prims; i++) { + draw_arrays(draw, prims[i].mode, prims[i].start, prims[i].count); + } + + + /* + * unmap vertex/index buffers + */ + for (i = 0; i < PIPE_ATTRIB_MAX; i++) { + if (draw->vertex_buffer[i].buffer) { + pipe->winsys->buffer_unmap(pipe->winsys, + draw->vertex_buffer[i].buffer); + draw_set_mapped_vertex_buffer(draw, i, NULL); + } + } + if (ib) { + pipe->winsys->buffer_unmap(pipe->winsys, index_buffer_handle); + draw_set_mapped_element_buffer(draw, 0, NULL); + } +} + /* This is all a hack to keep using tnl until we have vertex programs @@ -370,7 +532,7 @@ void st_init_draw( struct st_context *st ) assert(vbo); assert(vbo->draw_prims); - vbo->draw_prims = draw_vbo; + vbo->draw_prims = st_draw_vbo; _tnl_ProgramCacheInit( ctx ); } diff --git a/src/mesa/state_tracker/st_draw.h b/src/mesa/state_tracker/st_draw.h index 0005fbc51f3..1fcd1b7e6b0 100644 --- a/src/mesa/state_tracker/st_draw.h +++ b/src/mesa/state_tracker/st_draw.h @@ -34,11 +34,31 @@ #ifndef ST_DRAW_H #define ST_DRAW_H +struct _mesa_prim; +struct _mesa_index_buffer; void st_init_draw( struct st_context *st ); void st_destroy_draw( struct st_context *st ); +extern void +st_draw_vbo(GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index); + +extern void +st_feedback_draw_vbo(GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index); + void st_draw_vertices(GLcontext *ctx, unsigned prim, unsigned numVertex, float *verts, |