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pt sampling / bilerp format support

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This commit is contained in:
Krishna Yalamarthy
2021-03-31 17:38:54 -04:00
parent 79fcdf7a28
commit 81391bc084
3 changed files with 88 additions and 59 deletions
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57
hw/unit_tests/tex_unit/tex_sampler/main.cpp
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@@ -5,48 +5,6 @@
#define MAX_TICKS 20
#define NUM_THREADS
// // outputs
// bool req_ready;
// bool rsp_valid;
// unsigned int rsp_wid;
// unsigned int rsp_tmask;
// unsigned int rsp_PC;
// unsigned int rsp_rd;
// bool rsp_wb;
// unsigned int rsp_data[NUM_THREADS];
// if (input != input_map.end()){
// sim->req_valid = input->req_valid;
// sim->req_wid = input->req_wid;
// sim->req_tmask = input->req_tmask;
// sim->req_PC = input->req_PC;
// sim->req_rd = input->req_rd;
// sim->req_wb = input->req_wb;
// sim->req_filter = input->req_filter;
// sim->req_format = input->req_format;
// // sim->req_u = input->req_u[NUM_THREADS];
// // sim->req_v = input->req_v[NUM_THREADS];
// vl_setw(sim->req_texels, input->req_texels)
// // sim->req_texels = input->req_texels[NUM_THREADS][4];
// sim->rsp_ready = input->rsp_ready;
// } else{
// std::cout << "Warning! No Input on Cycle " << cycle << std::endl;
// }
// if(output != output_map.end()){
// CHECK(sim->req_ready == output->req_ready);
// CHECK(sim->rsp_valid == output->rsp_valid);
// CHECK(sim->rsp_wid == output->rsp_wid);
// CHECK(sim->rsp_tmask == output->rsp_tmask);
// CHECK(sim->rsp_PC == output->rsp_PC);
// CHECK(sim->rsp_rd == output->rsp_rd);
// CHECK(sim->rsp_wb == output->rsp_wb);
// CHECK(vl_cmpw(sim->rsp_data, output->rsp_data));
// }
#define CHECK(x) \
do { \
if (x) \
@@ -95,11 +53,11 @@ int main(int argc, char **argv) {
sim->req_PC = 0x0515;
sim->req_wb = 1;
sim->req_filter = 0;
sim->req_format = 3;
vl_setw(sim->req_texels, 0xffff, 0xfffa, 0xfffb, 0xfffc,
0xfffd, 0xafff, 0xbfff, 0xcfff,
0xdfff, 0xabcd, 0xdfdd, 0xeabf,
0xaaaa, 0xbbbb, 0xcccc, 0xdddd);
sim->req_format = 2; //rgba4
vl_setw(sim->req_texels, 0x1234abcd, 0x1234abcd, 0x1234abcd, 0x1234abcd,
0xabcd1234, 0xabcd1234, 0xabcd1234, 0xabcd1234,
0xfaafbaab, 0xfaafbaab, 0xfaafbaab, 0xfaafbaab,
0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef);
sim->rsp_ready = 1;
break;
@@ -115,7 +73,7 @@ int main(int argc, char **argv) {
// sim->req_rd = req_rd;
sim->req_wb = 1;
sim->req_filter = 1;
sim->req_format = 3;
sim->req_format = 0;
/*
1u ------- 0u 1v ------- 1v tex0 ------- tex1
| | | | | |
@@ -133,7 +91,7 @@ int main(int argc, char **argv) {
0xffffffff, 0x00000000, 0xffffffff, 0x00000000);
// point sampling output check
CHECK(!vl_cmpw(sim->rsp_data, 0xffff, 0xfffd, 0xdfff, 0xaaaa));
CHECK(!vl_cmpw(sim->rsp_data, 0x0a0b0c0d, 0x01020304, 0x0b0a0a0b, 0x0b0e0e0f));
break;
@@ -143,6 +101,7 @@ int main(int argc, char **argv) {
sim->rsp_ready = 1;
// bilerp sampling output check
std::cout << "cycle 4: bilerp r8g8b8a8 check" << std::endl;
CHECK(!vl_cmpw(sim->rsp_data, 0x7f7f7f7f, 0x7f7f7f7f, 0x7f7f7f7f, 0x3f3f3f3f));