OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gallium: change set_constant_buffer to be UBO-friendly

Browse Source
This commit is contained in:
Marek Olšák
2012-04-24 19:52:26 +02:00
parent 1b749dc34f
commit 507337864f
32 changed files with 139 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/mesa/state_tracker/st_atom_constbuf.c
View File

@@ -63,7 +63,7 @@ void st_upload_constants( struct st_context *st,
/* update constants */
if (params && params->NumParameters) {
struct pipe_resource *cbuf;
struct pipe_constant_buffer cb;
const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
/* Update the constants which come from fixed-function state, such as
@@ -77,10 +77,12 @@ void st_upload_constants( struct st_context *st,
* avoid gratuitous rendering synchronization.
* Let's use a user buffer to avoid an unnecessary copy.
*/
cbuf = pipe_user_buffer_create(pipe->screen,
params->ParameterValues,
paramBytes,
PIPE_BIND_CONSTANT_BUFFER);
cb.buffer = pipe_user_buffer_create(pipe->screen,
params->ParameterValues,
paramBytes,
PIPE_BIND_CONSTANT_BUFFER);
cb.buffer_offset = 0;
cb.buffer_size = paramBytes;
if (ST_DEBUG & DEBUG_CONSTANTS) {
debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n",
@@ -89,8 +91,8 @@ void st_upload_constants( struct st_context *st,
_mesa_print_parameter_list(params);
}
st->pipe->set_constant_buffer(st->pipe, shader_type, 0, cbuf);
pipe_resource_reference(&cbuf, NULL);
st->pipe->set_constant_buffer(st->pipe, shader_type, 0, &cb);
pipe_resource_reference(&cb.buffer, NULL);
st->state.constants[shader_type].ptr = params->ParameterValues;
st->state.constants[shader_type].size = paramBytes;