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virgl: Return an error if we use fp64 on top of GLES

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Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: <Gurchetan Singh gurchetansingh@chromium.org>
This commit is contained in:
Elie Tournier 2019-02-15 16:21:42 +00:00 • committed by Gert Wollny
parent 1f1514e1aa
commit d7b3196976
1 changed files with 13 additions and 0 deletions
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13
src/gallium/drivers/virgl/virgl_tgsi.c
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@ -25,13 +25,17 @@
so add a transform stage to remove things we don't want to send unless
the receiver supports it.
*/
#include "tgsi/tgsi_transform.h"
#include "tgsi/tgsi_info.h"
#include "virgl_context.h"
#include "virgl_screen.h"
struct virgl_transform_context {
struct tgsi_transform_context base;
bool cull_enabled;
bool has_precise;
bool fake_fp64;
};
static void
@ -78,6 +82,13 @@ virgl_tgsi_transform_instruction(struct tgsi_transform_context *ctx,
struct tgsi_full_instruction *inst)
{
struct virgl_transform_context *vtctx = (struct virgl_transform_context *)ctx;
if (vtctx->fake_fp64 &&
(tgsi_opcode_infer_src_type(inst->Instruction.Opcode, 0) == TGSI_TYPE_DOUBLE ||
tgsi_opcode_infer_dst_type(inst->Instruction.Opcode, 0) == TGSI_TYPE_DOUBLE)) {
fprintf(stderr, "ARB_gpu_shader_fp64 is exposed but not supported.");
return;
}
if (!vtctx->has_precise && inst->Instruction.Precise)
inst->Instruction.Precise = 0;
@ -107,6 +118,8 @@ struct tgsi_token *virgl_tgsi_transform(struct virgl_context *vctx, const struct
transform.base.transform_instruction = virgl_tgsi_transform_instruction;
transform.cull_enabled = vscreen->caps.caps.v1.bset.has_cull;
transform.has_precise = vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_PRECISE;
transform.fake_fp64 =
vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FAKE_FP64;
tgsi_transform_shader(tokens_in, new_tokens, newLen, &transform.base);
return new_tokens;