diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 7668b14c637..4392078e74c 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -165,6 +165,33 @@ static void r300_delete_blend_state(struct pipe_context* pipe, FREE(state); } +/* Set blend color. + * Setup both R300 and R500 registers, figure out later which one to write. */ +static void r300_set_blend_color(struct pipe_context* pipe, + const struct pipe_blend_color* color) +{ + struct r300_context* r300 = r300_context(pipe); + uint32_t r, g, b, a; + ubyte ur, ug, ub, ua; + + r = util_iround(color->color[0] * 1023.0f); + g = util_iround(color->color[1] * 1023.0f); + b = util_iround(color->color[2] * 1023.0f); + a = util_iround(color->color[3] * 1023.0f); + + ur = float_to_ubyte(color->color[0]); + ug = float_to_ubyte(color->color[1]); + ub = float_to_ubyte(color->color[2]); + ua = float_to_ubyte(color->color[3]); + + r300->blend_color_state->blend_color = (a << 24) | (r << 16) | (g << 8) | b; + + r300->blend_color_state->blend_color_red_alpha = ur | (ua << 16); + r300->blend_color_state->blend_color_green_blue = ub | (ug << 16); + + r300->dirty_state |= R300_NEW_BLEND_COLOR; +} + static uint32_t translate_depth_stencil_function(int zs_func) { switch (zs_func) { case PIPE_FUNC_NEVER: @@ -474,6 +501,8 @@ void r300_init_state_functions(struct r300_context* r300) { r300->context.bind_blend_state = r300_bind_blend_state; r300->context.delete_blend_state = r300_delete_blend_state; + r300->context.set_blend_color = r300_set_blend_color; + r300->context.create_rasterizer_state = r300_create_rs_state; r300->context.bind_rasterizer_state = r300_bind_rs_state; r300->context.delete_rasterizer_state = r300_delete_rs_state; |