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virgl: add ARB_cull_distance support.

Browse source 
This just allows the properties through to the host if we have
cull dist support.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2018-03-13 15:37:36 +10:00
parent d7a015cbc6
commit fa683385de
4 changed files with 13 additions and 5 deletions
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2
src/gallium/drivers/virgl/virgl_context.c
View file

@ -469,7 +469,7 @@ static void *virgl_shader_encoder(struct pipe_context *ctx,
struct tgsi_token *new_tokens;
int ret;
new_tokens = virgl_tgsi_transform(shader->tokens);
new_tokens = virgl_tgsi_transform(vctx, shader->tokens);
if (!new_tokens)
return NULL;

2
src/gallium/drivers/virgl/virgl_context.h
View file

@ -109,6 +109,6 @@ void virgl_transfer_inline_write(struct pipe_context *ctx,
unsigned stride,
unsigned layer_stride);
struct tgsi_token *virgl_tgsi_transform(const struct tgsi_token *tokens_in);
struct tgsi_token *virgl_tgsi_transform(struct virgl_context *vctx, const struct tgsi_token *tokens_in);
#endif

3
src/gallium/drivers/virgl/virgl_screen.c
View file

@ -196,6 +196,8 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_SAMPLE_SHADING:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return vscreen->caps.caps.v1.bset.has_sample_shading;
case PIPE_CAP_CULL_DISTANCE:
return vscreen->caps.caps.v1.bset.has_cull;
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_FAKE_SW_MSAA:
@ -239,7 +241,6 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_PCI_FUNCTION:
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
case PIPE_CAP_CULL_DISTANCE:
case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
case PIPE_CAP_TGSI_VOTE:
case PIPE_CAP_MAX_WINDOW_RECTANGLES:

11
src/gallium/drivers/virgl/virgl_tgsi.c
View file

@ -27,8 +27,10 @@
*/
#include "tgsi/tgsi_transform.h"
#include "virgl_context.h"
#include "virgl_screen.h"
struct virgl_transform_context {
struct tgsi_transform_context base;
bool cull_enabled;
};
static void
@ -55,9 +57,13 @@ static void
virgl_tgsi_transform_property(struct tgsi_transform_context *ctx,
struct tgsi_full_property *prop)
{
struct virgl_transform_context *vtctx = (struct virgl_transform_context *)ctx;
switch (prop->Property.PropertyName) {
case TGSI_PROPERTY_NUM_CLIPDIST_ENABLED:
case TGSI_PROPERTY_NUM_CULLDIST_ENABLED:
if (vtctx->cull_enabled)
ctx->emit_property(ctx, prop);
break;
case TGSI_PROPERTY_NEXT_SHADER:
break;
default:
@ -82,9 +88,9 @@ virgl_tgsi_transform_instruction(struct tgsi_transform_context *ctx,
ctx->emit_instruction(ctx, inst);
}
struct tgsi_token *virgl_tgsi_transform(const struct tgsi_token *tokens_in)
struct tgsi_token *virgl_tgsi_transform(struct virgl_context *vctx, const struct tgsi_token *tokens_in)
{
struct virgl_screen *vscreen = (struct virgl_screen *)vctx->base.screen;
struct virgl_transform_context transform;
const uint newLen = tgsi_num_tokens(tokens_in);
struct tgsi_token *new_tokens;
@ -97,6 +103,7 @@ struct tgsi_token *virgl_tgsi_transform(const struct tgsi_token *tokens_in)
transform.base.transform_declaration = virgl_tgsi_transform_declaration;
transform.base.transform_property = virgl_tgsi_transform_property;
transform.base.transform_instruction = virgl_tgsi_transform_instruction;
transform.cull_enabled = vscreen->caps.caps.v1.bset.has_cull;
tgsi_transform_shader(tokens_in, new_tokens, newLen, &transform.base);
return new_tokens;