From a6860f0913d5d4be0c73da963e84e97fc926225f Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sat, 15 Jan 2011 17:35:08 -0700 Subject: [PATCH] st/mesa: GL_ARB_instanced_arrays support --- src/mesa/state_tracker/st_draw.c | 17 ++++++++++++++--- src/mesa/state_tracker/st_extensions.c | 1 + 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index b3256a3cb08..8e1263fe84e 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -387,9 +387,16 @@ setup_interleaved_attribs(struct gl_context *ctx, vbuffer->max_index = max_index; } + /* + if (arrays[mesaAttr]->InstanceDivisor) + vbuffer[attr].max_index = arrays[mesaAttr]->_MaxElement; + else + vbuffer[attr].max_index = max_index; + */ + velements[attr].src_offset = (unsigned) (arrays[mesaAttr]->Ptr - offset0); - velements[attr].instance_divisor = 0; + velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor; velements[attr].vertex_buffer_index = 0; velements[attr].src_format = st_pipe_vertex_format(arrays[mesaAttr]->Type, @@ -481,9 +488,13 @@ setup_non_interleaved_attribs(struct gl_context *ctx, /* common-case setup */ vbuffer[attr].stride = stride; /* in bytes */ - vbuffer[attr].max_index = max_index; + if (arrays[mesaAttr]->InstanceDivisor) + vbuffer[attr].max_index = arrays[mesaAttr]->_MaxElement; + else + vbuffer[attr].max_index = max_index; + velements[attr].src_offset = 0; - velements[attr].instance_divisor = 0; + velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor; velements[attr].vertex_buffer_index = attr; velements[attr].src_format = st_pipe_vertex_format(arrays[mesaAttr]->Type, diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index df4f5cf8b5c..6798675fb89 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -464,5 +464,6 @@ void st_init_extensions(struct st_context *st) if (screen->get_param(screen, PIPE_CAP_INSTANCED_DRAWING)) { ctx->Extensions.ARB_draw_instanced = GL_TRUE; + ctx->Extensions.ARB_instanced_arrays = GL_TRUE; } } -- 2.30.2