From cc030da4284b6c965d2b72c68a875b3210a4b286 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 6 Jan 2013 01:47:24 +0100 Subject: r300g: simplify DSA state, add ability to patch FG_ALPHA_FUNC while emitting Preparation for MSAA and alpha-to-coverage. --- src/gallium/drivers/r300/r300_state.c | 80 ++++++++++++----------------------- 1 file changed, 28 insertions(+), 52 deletions(-) (limited to 'src/gallium/drivers/r300/r300_state.c') diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 29e28b4dfb1..a5f96831081 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -565,33 +565,37 @@ r300_set_sample_mask(struct pipe_context *pipe, * This contains the depth buffer, stencil buffer, alpha test, and such. * On the Radeon, depth and stencil buffer setup are intertwined, which is * the reason for some of the strange-looking assignments across registers. */ -static void* - r300_create_dsa_state(struct pipe_context* pipe, - const struct pipe_depth_stencil_alpha_state* state) +static void* r300_create_dsa_state(struct pipe_context* pipe, + const struct pipe_depth_stencil_alpha_state* state) { - struct r300_capabilities *caps = &r300_screen(pipe->screen)->caps; + boolean is_r500 = r300_screen(pipe->screen)->caps.is_r500; struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state); CB_LOCALS; + uint32_t alpha_value_fp16 = 0; + uint32_t z_buffer_control = 0; + uint32_t z_stencil_control = 0; + uint32_t stencil_ref_mask = 0; + uint32_t stencil_ref_bf = 0; dsa->dsa = *state; /* Depth test setup. - separate write mask depth for decomp flush */ if (state->depth.writemask) { - dsa->z_buffer_control |= R300_Z_WRITE_ENABLE; + z_buffer_control |= R300_Z_WRITE_ENABLE; } if (state->depth.enabled) { - dsa->z_buffer_control |= R300_Z_ENABLE; + z_buffer_control |= R300_Z_ENABLE; - dsa->z_stencil_control |= + z_stencil_control |= (r300_translate_depth_stencil_function(state->depth.func) << R300_Z_FUNC_SHIFT); } /* Stencil buffer setup. */ if (state->stencil[0].enabled) { - dsa->z_buffer_control |= R300_STENCIL_ENABLE; - dsa->z_stencil_control |= + z_buffer_control |= R300_STENCIL_ENABLE; + z_stencil_control |= (r300_translate_depth_stencil_function(state->stencil[0].func) << R300_S_FRONT_FUNC_SHIFT) | (r300_translate_stencil_op(state->stencil[0].fail_op) << @@ -601,15 +605,15 @@ static void* (r300_translate_stencil_op(state->stencil[0].zfail_op) << R300_S_FRONT_ZFAIL_OP_SHIFT); - dsa->stencil_ref_mask = + stencil_ref_mask = (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) | (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT); if (state->stencil[1].enabled) { dsa->two_sided = TRUE; - dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK; - dsa->z_stencil_control |= + z_buffer_control |= R300_STENCIL_FRONT_BACK; + z_stencil_control |= (r300_translate_depth_stencil_function(state->stencil[1].func) << R300_S_BACK_FUNC_SHIFT) | (r300_translate_stencil_op(state->stencil[1].fail_op) << @@ -619,12 +623,12 @@ static void* (r300_translate_stencil_op(state->stencil[1].zfail_op) << R300_S_BACK_ZFAIL_OP_SHIFT); - dsa->stencil_ref_bf = + stencil_ref_bf = (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) | (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT); - if (caps->is_r500) { - dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK; + if (is_r500) { + z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK; } else { dsa->two_sided_stencil_ref = (state->stencil[0].valuemask != state->stencil[1].valuemask || @@ -640,53 +644,25 @@ static void* R300_FG_ALPHA_FUNC_ENABLE; dsa->alpha_function |= float_to_ubyte(state->alpha.ref_value); - dsa->alpha_value = util_float_to_half(state->alpha.ref_value); - - if (caps->is_r500) { - dsa->alpha_function_fp16 = dsa->alpha_function | - R500_FG_ALPHA_FUNC_FP16_ENABLE; - dsa->alpha_function |= R500_FG_ALPHA_FUNC_8BIT; - } + alpha_value_fp16 = util_float_to_half(state->alpha.ref_value); } - BEGIN_CB(&dsa->cb_begin, 10); - OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function); - OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); - OUT_CB(dsa->z_buffer_control); - OUT_CB(dsa->z_stencil_control); - OUT_CB(dsa->stencil_ref_mask); - OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); - OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); - END_CB; - - BEGIN_CB(&dsa->cb_begin_fp16, 10); - OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function_fp16); + BEGIN_CB(&dsa->cb_begin, 8); OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); - OUT_CB(dsa->z_buffer_control); - OUT_CB(dsa->z_stencil_control); - OUT_CB(dsa->stencil_ref_mask); - OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); - OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); - END_CB; - - BEGIN_CB(dsa->cb_zb_no_readwrite, 10); - OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function); - OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); - OUT_CB(0); - OUT_CB(0); - OUT_CB(0); - OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0); - OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); + OUT_CB(z_buffer_control); + OUT_CB(z_stencil_control); + OUT_CB(stencil_ref_mask); + OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, stencil_ref_bf); + OUT_CB_REG(R500_FG_ALPHA_VALUE, alpha_value_fp16); END_CB; - BEGIN_CB(dsa->cb_fp16_zb_no_readwrite, 10); - OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function_fp16); + BEGIN_CB(dsa->cb_zb_no_readwrite, 8); OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); OUT_CB(0); OUT_CB(0); OUT_CB(0); OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0); - OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); + OUT_CB_REG(R500_FG_ALPHA_VALUE, alpha_value_fp16); END_CB; return (void*)dsa; -- cgit v1.2.3