diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_curbe.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c index 4ec0cfb8167..4bee54fba7e 100644 --- a/src/mesa/drivers/dri/i965/brw_curbe.c +++ b/src/mesa/drivers/dri/i965/brw_curbe.c @@ -174,10 +174,10 @@ static GLfloat fixed_plane[6][4] = { static void prepare_constant_buffer(struct brw_context *brw) { GLcontext *ctx = &brw->intel.ctx; - struct brw_vertex_program *vp = (struct brw_vertex_program *)brw->vertex_program; - struct brw_fragment_program *fp = (struct brw_fragment_program *)brw->fragment_program; - GLuint sz = brw->curbe.total_size; - GLuint bufsz = sz * 16 * sizeof(GLfloat); + const struct brw_vertex_program *vp = (struct brw_vertex_program *)brw->vertex_program; + const struct brw_fragment_program *fp = (struct brw_fragment_program *)brw->fragment_program; + const GLuint sz = brw->curbe.total_size; + const GLuint bufsz = sz * 16 * sizeof(GLfloat); GLfloat *buf; GLuint i; @@ -189,27 +189,25 @@ static void prepare_constant_buffer(struct brw_context *brw) brw->curbe.tracked_state.dirty.mesa |= fp->program.Base.Parameters->StateFlags; if (sz == 0) { - if (brw->curbe.last_buf) { free(brw->curbe.last_buf); brw->curbe.last_buf = NULL; brw->curbe.last_bufsz = 0; } - return; } - buf = (GLfloat *)malloc(bufsz); - - memset(buf, 0, bufsz); + buf = (GLfloat *) _mesa_calloc(bufsz); + /* fragment shader constants */ if (brw->curbe.wm_size) { GLuint offset = brw->curbe.wm_start * 16; _mesa_load_state_parameters(ctx, fp->program.Base.Parameters); + /* copy float constants */ for (i = 0; i < brw->wm.prog_data->nr_params; i++) - buf[offset + i] = brw->wm.prog_data->param[i][0]; + buf[offset + i] = *brw->wm.prog_data->param[i]; } @@ -244,7 +242,7 @@ static void prepare_constant_buffer(struct brw_context *brw) } } - + /* vertex shader constants */ if (brw->curbe.vs_size) { GLuint offset = brw->curbe.vs_start * 16; GLuint nr = vp->program.Base.Parameters->NumParameters; @@ -252,10 +250,11 @@ static void prepare_constant_buffer(struct brw_context *brw) _mesa_load_state_parameters(ctx, vp->program.Base.Parameters); for (i = 0; i < nr; i++) { - buf[offset + i * 4 + 0] = vp->program.Base.Parameters->ParameterValues[i][0]; - buf[offset + i * 4 + 1] = vp->program.Base.Parameters->ParameterValues[i][1]; - buf[offset + i * 4 + 2] = vp->program.Base.Parameters->ParameterValues[i][2]; - buf[offset + i * 4 + 3] = vp->program.Base.Parameters->ParameterValues[i][3]; + const GLfloat *value = vp->program.Base.Parameters->ParameterValues[i]; + buf[offset + i * 4 + 0] = value[0]; + buf[offset + i * 4 + 1] = value[1]; + buf[offset + i * 4 + 2] = value[2]; + buf[offset + i * 4 + 3] = value[3]; } } @@ -274,11 +273,14 @@ static void prepare_constant_buffer(struct brw_context *brw) brw->curbe.last_buf && bufsz == brw->curbe.last_bufsz && memcmp(buf, brw->curbe.last_buf, bufsz) == 0) { - free(buf); + /* constants have not changed */ + _mesa_free(buf); } else { + /* constants have changed */ if (brw->curbe.last_buf) - free(brw->curbe.last_buf); + _mesa_free(brw->curbe.last_buf); + brw->curbe.last_buf = buf; brw->curbe.last_bufsz = bufsz; |