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r600g: Match alpha ref precision to color format precision.

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This fixes piglit fbo-alphatest-formats on Evergreen.

Signed-off-by: Henri Verbeet <hverbeet@gmail.com>
This commit is contained in:
Henri Verbeet 2011-05-05 20:54:36 +02:00
parent dc4a3edcf9
commit f60235e73a
4 changed files with 64 additions and 21 deletions
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20
src/gallium/drivers/r600/evergreen_state.c
View file

@ -143,14 +143,17 @@ static void *evergreen_create_blend_state(struct pipe_context *ctx,
static void *evergreen_create_dsa_state(struct pipe_context *ctx,
const struct pipe_depth_stencil_alpha_state *state)
{
struct r600_pipe_state *rstate = CALLOC_STRUCT(r600_pipe_state);
struct r600_pipe_dsa *dsa = CALLOC_STRUCT(r600_pipe_dsa);
unsigned db_depth_control, alpha_test_control, alpha_ref, db_shader_control;
unsigned stencil_ref_mask, stencil_ref_mask_bf, db_render_override, db_render_control;
struct r600_pipe_state *rstate;
if (rstate == NULL) {
if (dsa == NULL) {
return NULL;
}
rstate = &dsa->rstate;
rstate->id = R600_PIPE_STATE_DSA;
/* depth TODO some of those db_shader_control field depend on shader adjust mask & add it to shader */
db_shader_control = S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
@ -190,6 +193,7 @@ static void *evergreen_create_dsa_state(struct pipe_context *ctx,
alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
alpha_ref = fui(state->alpha.ref_value);
}
dsa->alpha_ref = alpha_ref;
/* misc */
db_render_control = 0;
@ -206,7 +210,6 @@ static void *evergreen_create_dsa_state(struct pipe_context *ctx,
r600_pipe_state_add_reg(rstate,
R_028434_DB_STENCILREFMASK_BF, stencil_ref_mask_bf,
0xFFFFFFFF & C_028434_STENCILREF_BF, NULL);
r600_pipe_state_add_reg(rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_0286DC_SPI_FOG_CNTL, 0x00000000, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_028800_DB_DEPTH_CONTROL, db_depth_control, 0xFFFFFFFF, NULL);
/* The DB_SHADER_CONTROL mask is 0xFFFFFFBC since Z_EXPORT_ENABLE,
@ -709,10 +712,17 @@ static void evergreen_cb(struct r600_pipe_context *rctx, struct r600_pipe_state
/* we can only set the export size if any thing is snorm/unorm component is > 11 bits,
if we aren't a float, sint or uint */
/* FIXME: This should probably be the same for all CBs if we want
* useful alpha tests. */
if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
desc->channel[i].size < 12 && desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
ntype != V_028C70_NUMBER_UINT && ntype != V_028C70_NUMBER_SINT)
ntype != V_028C70_NUMBER_UINT && ntype != V_028C70_NUMBER_SINT) {
color_info |= S_028C70_SOURCE_FORMAT(V_028C70_EXPORT_4C_16BPC);
rctx->export_16bpc = true;
} else {
rctx->export_16bpc = false;
}
rctx->alpha_ref_dirty = true;
if (rtex->array_mode[level] > V_028C70_ARRAY_LINEAR_ALIGNED) {
tile_type = rtex->tile_type;
@ -914,7 +924,7 @@ void evergreen_init_state_functions(struct r600_pipe_context *rctx)
rctx->context.create_vertex_elements_state = r600_create_vertex_elements;
rctx->context.create_vs_state = r600_create_shader_state;
rctx->context.bind_blend_state = r600_bind_blend_state;
rctx->context.bind_depth_stencil_alpha_state = r600_bind_state;
rctx->context.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
rctx->context.bind_fragment_sampler_states = evergreen_bind_ps_sampler;
rctx->context.bind_fs_state = r600_bind_ps_shader;
rctx->context.bind_rasterizer_state = r600_bind_rs_state;

10
src/gallium/drivers/r600/r600_pipe.h
View file

@ -97,6 +97,11 @@ struct r600_pipe_blend {
unsigned cb_target_mask;
};
struct r600_pipe_dsa {
struct r600_pipe_state rstate;
unsigned alpha_ref;
};
struct r600_vertex_element
{
unsigned count;
@ -186,6 +191,9 @@ struct r600_pipe_context {
/* shader information */
unsigned sprite_coord_enable;
bool flatshade;
bool export_16bpc;
unsigned alpha_ref;
bool alpha_ref_dirty;
struct r600_textures_info ps_samplers;
struct r600_pipe_fences fences;
@ -283,11 +291,11 @@ void *r600_create_vertex_elements(struct pipe_context *ctx,
const struct pipe_vertex_element *elements);
void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
void r600_bind_blend_state(struct pipe_context *ctx, void *state);
void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
void r600_bind_rs_state(struct pipe_context *ctx, void *state);
void r600_delete_rs_state(struct pipe_context *ctx, void *state);
void r600_sampler_view_destroy(struct pipe_context *ctx,
struct pipe_sampler_view *state);
void r600_bind_state(struct pipe_context *ctx, void *state);
void r600_delete_state(struct pipe_context *ctx, void *state);
void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
void *r600_create_shader_state(struct pipe_context *ctx,

11
src/gallium/drivers/r600/r600_state.c
View file

@ -199,14 +199,17 @@ static void *r600_create_blend_state(struct pipe_context *ctx,
static void *r600_create_dsa_state(struct pipe_context *ctx,
const struct pipe_depth_stencil_alpha_state *state)
{
struct r600_pipe_state *rstate = CALLOC_STRUCT(r600_pipe_state);
struct r600_pipe_dsa *dsa = CALLOC_STRUCT(r600_pipe_dsa);
unsigned db_depth_control, alpha_test_control, alpha_ref, db_shader_control;
unsigned stencil_ref_mask, stencil_ref_mask_bf, db_render_override, db_render_control;
struct r600_pipe_state *rstate;
if (rstate == NULL) {
if (dsa == NULL) {
return NULL;
}
rstate = &dsa->rstate;
rstate->id = R600_PIPE_STATE_DSA;
/* depth TODO some of those db_shader_control field depend on shader adjust mask & add it to shader */
db_shader_control = S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
@ -246,6 +249,7 @@ static void *r600_create_dsa_state(struct pipe_context *ctx,
alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
alpha_ref = fui(state->alpha.ref_value);
}
dsa->alpha_ref = alpha_ref;
/* misc */
db_render_control = 0;
@ -262,7 +266,6 @@ static void *r600_create_dsa_state(struct pipe_context *ctx,
r600_pipe_state_add_reg(rstate,
R_028434_DB_STENCILREFMASK_BF, stencil_ref_mask_bf,
0xFFFFFFFF & C_028434_STENCILREF_BF, NULL);
r600_pipe_state_add_reg(rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_0286E0_SPI_FOG_FUNC_SCALE, 0x00000000, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_0286E4_SPI_FOG_FUNC_BIAS, 0x00000000, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(rstate, R_0286DC_SPI_FOG_CNTL, 0x00000000, 0xFFFFFFFF, NULL);
@ -964,7 +967,7 @@ void r600_init_state_functions(struct r600_pipe_context *rctx)
rctx->context.create_vertex_elements_state = r600_create_vertex_elements;
rctx->context.create_vs_state = r600_create_shader_state;
rctx->context.bind_blend_state = r600_bind_blend_state;
rctx->context.bind_depth_stencil_alpha_state = r600_bind_state;
rctx->context.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
rctx->context.bind_fragment_sampler_states = r600_bind_ps_sampler;
rctx->context.bind_fs_state = r600_bind_ps_shader;
rctx->context.bind_rasterizer_state = r600_bind_rs_state;

44
src/gallium/drivers/r600/r600_state_common.c
View file

@ -86,6 +86,21 @@ void r600_bind_blend_state(struct pipe_context *ctx, void *state)
r600_context_pipe_state_set(&rctx->ctx, rstate);
}
void r600_bind_dsa_state(struct pipe_context *ctx, void *state)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
struct r600_pipe_dsa *dsa = state;
struct r600_pipe_state *rstate;
if (state == NULL)
return;
rstate = &dsa->rstate;
rctx->states[rstate->id] = rstate;
rctx->alpha_ref = dsa->alpha_ref;
rctx->alpha_ref_dirty = true;
r600_context_pipe_state_set(&rctx->ctx, rstate);
}
void r600_bind_rs_state(struct pipe_context *ctx, void *state)
{
struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
@ -131,17 +146,6 @@ void r600_sampler_view_destroy(struct pipe_context *ctx,
FREE(resource);
}
void r600_bind_state(struct pipe_context *ctx, void *state)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
if (state == NULL)
return;
rctx->states[rstate->id] = rstate;
r600_context_pipe_state_set(&rctx->ctx, rstate);
}
void r600_delete_state(struct pipe_context *ctx, void *state)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
@ -316,6 +320,23 @@ void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
free(shader);
}
static void r600_update_alpha_ref(struct r600_pipe_context *rctx)
{
unsigned alpha_ref = rctx->alpha_ref;
struct r600_pipe_state rstate;
if (!rctx->alpha_ref_dirty)
return;
rstate.nregs = 0;
if (rctx->export_16bpc)
alpha_ref &= ~0x1FFF;
r600_pipe_state_add_reg(&rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL);
r600_context_pipe_state_set(&rctx->ctx, &rstate);
rctx->alpha_ref_dirty = false;
}
/* FIXME optimize away spi update when it's not needed */
static void r600_spi_update(struct r600_pipe_context *rctx, unsigned prim)
{
@ -554,6 +575,7 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
return;
}
r600_update_alpha_ref(rctx);
r600_spi_update(rctx, draw.info.mode);
mask = 0;