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Merge branch 'graphics' of https://github.com/vortexgpgpu/vortex-dev into graphics

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Conflicts:
	driver/tests/tex_demo/main.cpp
This commit is contained in:
Blaise Tine
2021-04-15 22:37:29 -07:00
parent a9f91b7acd de72a23fc6
commit e1e4c8bc03
10 changed files with 193 additions and 83 deletions
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2
README.md
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@@ -18,7 +18,7 @@ Directory structure
- benchmarks: OpenCL and RISC-V benchmarks - benchmarks: OpenCL and RISC-V benchmarks
- docs: documentation. - docs: [documentation](https://github.com/vortexgpgpu/vortex-dev/blob/master/doc/Vortex.md).
- hw: hardware sources. - hw: hardware sources.

16
doc/Simulation.md
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@@ -33,3 +33,19 @@ Example use of command line arguments: Run the sgemm benchmark using the vlsim d
$ ./ci/blackbox.sh --clusters=1 --cores=4 --warps=4 --threads=4 --driver=vlsim --app=sgemm $ ./ci/blackbox.sh --clusters=1 --cores=4 --warps=4 --threads=4 --driver=vlsim --app=sgemm
Output from terminal:
```
Create context
Create program from kernel source
Upload source buffers
Execute the kernel
Elapsed time: 2463 ms
Download destination buffer
Verify result
PASSED!
PERF: core0: instrs=90802, cycles=52776, IPC=1.720517
PERF: core1: instrs=90693, cycles=53108, IPC=1.707709
PERF: core2: instrs=90849, cycles=53107, IPC=1.710678
PERF: core3: instrs=90836, cycles=50347, IPC=1.804199
PERF: instrs=363180, cycles=53108, IPC=6.838518
```

30
doc/Vortex.md Normal file
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@@ -0,0 +1,30 @@
# Vortex Documentation
### Table of Contents
- Vortex Architecture
- Vortex Software
- [Vortex Simulation](https://github.com/vortexgpgpu/vortex-dev/blob/master/doc/Simulation.md)
- [FPGA](https://github.com/vortexgpgpu/vortex-dev/blob/master/doc/Flubber_FPGA_Startup_Guide.md)
- Debugging
- Useful Links
### Quick Start
Setup Vortex environment:
```
$ export RISCV_TOOLCHAIN_PATH=/opt/riscv-gnu-toolchain
$ export PATH=:/opt/verilator/bin:$PATH
$ export VERILATOR_ROOT=/opt/verilator
```
Test Vortex with different drivers and configurations:
- Run basic driver test with rtlsim driver and Vortex config of 2 clusters, 2 cores, 2 warps, 4 threads
$ ./ci/blackbox.sh --clusters=2 --cores=2 --warps=2 --threads=4 --driver=rtlsim --app=basic
- Run demo driver test with vlsim driver and Vortex config of 1 clusters, 4 cores, 4 warps, 2 threads
$ ./ci/blackbox.sh --clusters=1 --cores=4 --warps=4 --threads=2 --driver=vlsim --app=demo
- Run dogfood driver test with simx driver and Vortex config of 4 cluster, 4 cores, 8 warps, 6 threads
$ ./ci/blackbox.sh --clusters=4 --cores=4 --warps=8 --threads=6 --driver=simx --app=dogfood

4
driver/tests/tex_demo/Makefile
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@@ -17,8 +17,8 @@ VX_LDFLAGS += -lm
VX_SRCS = kernel.c VX_SRCS = kernel.c
#CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -pedantic -Wfatal-errors #CXXFLAGS += -std=c++11 -O2 -Wall -Wextra -Wfatal-errors
CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -Wfatal-errors
CXXFLAGS += -I../../include CXXFLAGS += -I../../include

75
driver/tests/tex_demo/blitter.h
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@@ -1,23 +1,23 @@
#include "format.h" #include "format.h"
struct SurfaceDesc { struct SurfaceDesc {
uint8_t Format; ePixelFormat Format;
uint8_t *pBits; uint8_t *pBits;
int32_t Width; uint32_t Width;
int32_t Height; uint32_t Height;
int32_t Pitch; uint32_t Pitch;
}; };
class BlitTable { class BlitTable {
public: public:
typedef void (*PfnCopy)(const SurfaceDesc &dstDesc, typedef int (*PfnCopy)(const SurfaceDesc &dstDesc,
uint32_t dstOffsetX, uint32_t dstOffsetX,
uint32_t dstOffsetY, uint32_t dstOffsetY,
uint32_t copyWidth, uint32_t copyWidth,
uint32_t copyHeight, uint32_t copyHeight,
const SurfaceDesc &srcDesc, const SurfaceDesc &srcDesc,
uint32_t srcOffsetX, uint32_t srcOffsetX,
uint32_t srcOffsetY); uint32_t srcOffsetY);
BlitTable() { BlitTable() {
for (uint32_t s = 0; s < FORMAT_COLOR_SIZE_; ++s) { for (uint32_t s = 0; s < FORMAT_COLOR_SIZE_; ++s) {
@@ -183,14 +183,14 @@ public:
private: private:
template <ePixelFormat SrcFormat, ePixelFormat DstFormat> template <ePixelFormat SrcFormat, ePixelFormat DstFormat>
static void Copy(const SurfaceDesc &dstDesc, static int Copy(const SurfaceDesc &dstDesc,
uint32_t dstOffsetX, uint32_t dstOffsetX,
uint32_t dstOffsetY, uint32_t dstOffsetY,
uint32_t copyWidth, uint32_t copyWidth,
uint32_t copyHeight, uint32_t copyHeight,
const SurfaceDesc &srcDesc, const SurfaceDesc &srcDesc,
uint32_t srcOffsetX, uint32_t srcOffsetX,
uint32_t srcOffsetY) { uint32_t srcOffsetY) {
auto srcBPP = TFormatInfo<SrcFormat>::CBSIZE; auto srcBPP = TFormatInfo<SrcFormat>::CBSIZE;
auto dstBPP = TFormatInfo<DstFormat>::CBSIZE; auto dstBPP = TFormatInfo<DstFormat>::CBSIZE;
auto srcNextLine = srcDesc.Pitch; auto srcNextLine = srcDesc.Pitch;
@@ -211,14 +211,19 @@ private:
pbSrc += srcNextLine; pbSrc += srcNextLine;
pbDst += dstNextLine; pbDst += dstNextLine;
} }
return 0;
} }
template <typename Type> template <typename Type>
static void CopyFast(const SurfaceDesc &dstDesc, uint32_t dstOffsetX, static int CopyFast(const SurfaceDesc &dstDesc,
uint32_t dstOffsetY, uint32_t copyWidth, uint32_t dstOffsetX,
uint32_t copyHeight, const SurfaceDesc &srcDesc, uint32_t dstOffsetY,
uint32_t srcOffsetX, uint32_t srcOffsetY) { uint32_t copyWidth,
uint32_t copyHeight,
const SurfaceDesc &srcDesc,
uint32_t srcOffsetX,
uint32_t srcOffsetY) {
auto nBPP = sizeof(Type); auto nBPP = sizeof(Type);
auto srcNextLine = srcDesc.Pitch; auto srcNextLine = srcDesc.Pitch;
auto dstNextLine = dstDesc.Pitch; auto dstNextLine = dstDesc.Pitch;
@@ -235,18 +240,20 @@ private:
pbSrc += srcNextLine; pbSrc += srcNextLine;
pbDst += dstNextLine; pbDst += dstNextLine;
} }
return 0;
} }
static void CopyInvalid(const SurfaceDesc & /*dstDesc*/, static int CopyInvalid(const SurfaceDesc & /*dstDesc*/,
uint32_t /*dstOffsetX*/, uint32_t /*dstOffsetX*/,
uint32_t /*dstOffsetY*/, uint32_t /*dstOffsetY*/,
uint32_t /*copyWidth*/, uint32_t /*copyWidth*/,
uint32_t /*copyHeight*/, uint32_t /*copyHeight*/,
const SurfaceDesc & /*srcDesc*/, const SurfaceDesc & /*srcDesc*/,
uint32_t /*srcOffsetX*/, uint32_t /*srcOffsetX*/,
uint32_t /*srcOffsetY*/) uint32_t /*srcOffsetY*/)
{ {
std::abort(); std::cout << "Error: invalid format" << std::endl;
return -1;
} }
PfnCopy copyFuncs_[FORMAT_COLOR_SIZE_][FORMAT_COLOR_SIZE_]; PfnCopy copyFuncs_[FORMAT_COLOR_SIZE_][FORMAT_COLOR_SIZE_];

28
driver/tests/tex_demo/format.h
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@@ -54,7 +54,7 @@ enum ePixelFormat {
#define FORMAT_ARGB FORMAT_A8R8G8B8 #define FORMAT_ARGB FORMAT_A8R8G8B8
#define FORMAT_ARGB_ FORMAT_A4R4G4B4 #define FORMAT_ARGB_ FORMAT_A4R4G4B4
template <uint32_t PixelFormat> template <ePixelFormat PixelFormat>
struct TFormatInfo {}; struct TFormatInfo {};
template <> template <>
@@ -462,7 +462,7 @@ public:
namespace Format { namespace Format {
inline static const FormatInfo &GetInfo(uint32_t pixelFormat) { inline static const FormatInfo &GetInfo(ePixelFormat pixelFormat) {
static const FormatInfo sc_formatInfos[FORMAT_SIZE_] = { static const FormatInfo sc_formatInfos[FORMAT_SIZE_] = {
__formatInfo(FORMAT_UNKNOWN), __formatInfo(FORMAT_UNKNOWN),
__formatInfo(FORMAT_A8), __formatInfo(FORMAT_A8),
@@ -501,26 +501,26 @@ typedef ColorARGB (*pfn_convert_from)(const void *pIn);
typedef void (*pfn_convert_to)(void *pOut, const ColorARGB &in); typedef void (*pfn_convert_to)(void *pOut, const ColorARGB &in);
template <uint32_t PixelFormat> template <ePixelFormat PixelFormat>
static uint32_t ConvertTo(const ColorARGB &color); static uint32_t ConvertTo(const ColorARGB &color);
template <uint32_t PixelFormat> template <ePixelFormat PixelFormat>
static void ConvertTo(void *pOut, const ColorARGB &in) { static void ConvertTo(void *pOut, const ColorARGB &in) {
*reinterpret_cast<typename TFormatInfo<PixelFormat>::TYPE *>(pOut) = *reinterpret_cast<typename TFormatInfo<PixelFormat>::TYPE *>(pOut) =
static_cast<typename TFormatInfo<PixelFormat>::TYPE>( static_cast<typename TFormatInfo<PixelFormat>::TYPE>(
ConvertTo<PixelFormat>(in)); ConvertTo<PixelFormat>(in));
} }
template <uint32_t PixelFormat, bool bForceAlpha> template <ePixelFormat PixelFormat, bool bForceAlpha>
static ColorARGB ConvertFrom(uint32_t in); static ColorARGB ConvertFrom(uint32_t in);
template <uint32_t PixelFormat, bool bForceAlpha> template <ePixelFormat PixelFormat, bool bForceAlpha>
static ColorARGB ConvertFrom(const void *pIn) { static ColorARGB ConvertFrom(const void *pIn) {
return ConvertFrom<PixelFormat, bForceAlpha>( return ConvertFrom<PixelFormat, bForceAlpha>(
*reinterpret_cast<const typename TFormatInfo<PixelFormat>::TYPE *>(pIn)); *reinterpret_cast<const typename TFormatInfo<PixelFormat>::TYPE *>(pIn));
} }
inline static pfn_convert_to GetConvertTo(uint32_t pixelFormat) { inline static pfn_convert_to GetConvertTo(ePixelFormat pixelFormat) {
switch (pixelFormat) { switch (pixelFormat) {
case FORMAT_A8: case FORMAT_A8:
return &ConvertTo<FORMAT_A8>; return &ConvertTo<FORMAT_A8>;
@@ -550,11 +550,13 @@ inline static pfn_convert_to GetConvertTo(uint32_t pixelFormat) {
return &ConvertTo<FORMAT_D16>; return &ConvertTo<FORMAT_D16>;
case FORMAT_X8S8D16: case FORMAT_X8S8D16:
return &ConvertTo<FORMAT_X8S8D16>; return &ConvertTo<FORMAT_X8S8D16>;
default:
return &ConvertTo<FORMAT_UNKNOWN>;
} }
return nullptr; return nullptr;
} }
inline static pfn_convert_from GetConvertFrom(uint32_t pixelFormat, inline static pfn_convert_from GetConvertFrom(ePixelFormat pixelFormat,
bool bForceAlpha) { bool bForceAlpha) {
if (bForceAlpha) { if (bForceAlpha) {
switch (pixelFormat) { switch (pixelFormat) {
@@ -586,6 +588,8 @@ inline static pfn_convert_from GetConvertFrom(uint32_t pixelFormat,
return &ConvertFrom<FORMAT_D16, false>; return &ConvertFrom<FORMAT_D16, false>;
case FORMAT_X8S8D16: case FORMAT_X8S8D16:
return &ConvertFrom<FORMAT_X8S8D16, false>; return &ConvertFrom<FORMAT_X8S8D16, false>;
default:
return &ConvertFrom<FORMAT_UNKNOWN, false>;
} }
} else { } else {
switch (pixelFormat) { switch (pixelFormat) {
@@ -617,13 +621,15 @@ inline static pfn_convert_from GetConvertFrom(uint32_t pixelFormat,
return &ConvertFrom<FORMAT_D16, false>; return &ConvertFrom<FORMAT_D16, false>;
case FORMAT_X8S8D16: case FORMAT_X8S8D16:
return &ConvertFrom<FORMAT_X8S8D16, false>; return &ConvertFrom<FORMAT_X8S8D16, false>;
default:
return &ConvertFrom<FORMAT_UNKNOWN, false>;
} }
} }
return nullptr; return nullptr;
} }
inline static uint32_t GetNativeFormat(uint32_t pixelFormat) { inline static uint32_t GetNativeFormat(ePixelFormat pixelFormat) {
switch (pixelFormat) { switch (pixelFormat) {
case FORMAT_PAL4_B8G8R8: case FORMAT_PAL4_B8G8R8:
case FORMAT_PAL8_B8G8R8: case FORMAT_PAL8_B8G8R8:
@@ -644,8 +650,10 @@ inline static uint32_t GetNativeFormat(uint32_t pixelFormat) {
case FORMAT_PAL4_R5G5B5A1: case FORMAT_PAL4_R5G5B5A1:
case FORMAT_PAL8_R5G5B5A1: case FORMAT_PAL8_R5G5B5A1:
return FORMAT_R5G5B5A1; return FORMAT_R5G5B5A1;
default:
return pixelFormat;
} }
return pixelFormat;
} }
/////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////

45
driver/tests/tex_demo/main.cpp
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@@ -23,21 +23,23 @@
const char* kernel_file = "kernel.bin"; const char* kernel_file = "kernel.bin";
const char* input_file = "palette64.tga"; const char* input_file = "palette64.tga";
const char* output_file = "output.tga"; const char* output_file = "output.tga";
int wrap = 0; int wrap = 0;
int filter = 0; int filter = 0;
float scale = 1.0f; float scale = 1.0f;
int format = 0;
ePixelFormat eformat = FORMAT_A8R8G8B8;
vx_device_h device = nullptr; vx_device_h device = nullptr;
vx_buffer_h buffer = nullptr; vx_buffer_h buffer = nullptr;
static void show_usage() { static void show_usage() {
std::cout << "Vortex Texture Test." << std::endl; std::cout << "Vortex Texture Test." << std::endl;
std::cout << "Usage: [-k: kernel] [-i image] [-o image] [-s scale] [-w wrap] [-f filter] [-h: help]" << std::endl; std::cout << "Usage: [-k: kernel] [-i image] [-o image] [-s scale] [-w wrap] [-f format] [-g filter] [-h: help]" << std::endl;
} }
static void parse_args(int argc, char **argv) { static void parse_args(int argc, char **argv) {
int c; int c;
while ((c = getopt(argc, argv, "i:o:k:w:f:h?")) != -1) { while ((c = getopt(argc, argv, "i:o:k:w:f:g:h?")) != -1) {
switch (c) { switch (c) {
case 'i': case 'i':
input_file = optarg; input_file = optarg;
@@ -51,7 +53,20 @@ static void parse_args(int argc, char **argv) {
case 'w': case 'w':
wrap = std::atoi(optarg); wrap = std::atoi(optarg);
break; break;
case 'f': case 'f': {
format = std::atoi(optarg);
switch (format) {
case 0: eformat = FORMAT_A8R8G8B8; break;
case 1: eformat = FORMAT_R5G6B5; break;
case 2: eformat = FORMAT_R4G4B4A4; break;
case 3: eformat = FORMAT_L8; break;
case 4: eformat = FORMAT_A8; break;
default:
std::cout << "Error: invalid format: " << format << std::endl;
exit(1);
}
} break;
case 'g':
filter = std::atoi(optarg); filter = std::atoi(optarg);
break; break;
case 'k': case 'k':
@@ -78,8 +93,13 @@ void cleanup() {
} }
} }
int run_test(const kernel_arg_t& kernel_arg, uint32_t buf_size, uint32_t width, uint32_t height, uint32_t bpp) { int run_test(const kernel_arg_t& kernel_arg,
uint32_t buf_size,
uint32_t width,
uint32_t height,
uint32_t bpp) {
auto time_start = std::chrono::high_resolution_clock::now(); auto time_start = std::chrono::high_resolution_clock::now();
// start device // start device
std::cout << "start device" << std::endl; std::cout << "start device" << std::endl;
RT_CHECK(vx_start(device)); RT_CHECK(vx_start(device));
@@ -111,7 +131,7 @@ int run_test(const kernel_arg_t& kernel_arg, uint32_t buf_size, uint32_t width,
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
kernel_arg_t kernel_arg; kernel_arg_t kernel_arg;
std::vector<uint8_t> src_pixels; std::vector<uint8_t> src_pixels;
uint32_t src_width; uint32_t src_width;
uint32_t src_height; uint32_t src_height;
@@ -120,7 +140,8 @@ int main(int argc, char *argv[]) {
// parse command arguments // parse command arguments
parse_args(argc, argv); parse_args(argc, argv);
RT_CHECK(LoadTGA(input_file, src_pixels, &src_width, &src_height, &src_bpp)); std::vector<uint8_t> tmp_pixels;
RT_CHECK(LoadTGA(input_file, tmp_pixels, &src_width, &src_height));
// check power of two support // check power of two support
if (!ISPOW2(src_width) || !ISPOW2(src_height)) { if (!ISPOW2(src_width) || !ISPOW2(src_height)) {
@@ -128,7 +149,11 @@ int main(int argc, char *argv[]) {
return -1; return -1;
} }
//dump_image(src_pixels, src_width, src_height, src_bpp); RT_CHECK(ConvertImage(src_pixels, tmp_pixels, src_width, src_height, FORMAT_A8R8G8B8, eformat));
src_bpp = Format::GetInfo(eformat).BytePerPixel;
dump_image(src_pixels, src_width, src_height, src_bpp);
uint32_t src_bufsize = src_bpp * src_width * src_height; uint32_t src_bufsize = src_bpp * src_width * src_height;
uint32_t dst_width = (uint32_t)(src_width * scale); uint32_t dst_width = (uint32_t)(src_width * scale);
@@ -173,7 +198,7 @@ int main(int argc, char *argv[]) {
std::cout << "upload kernel argument" << std::endl; std::cout << "upload kernel argument" << std::endl;
{ {
kernel_arg.num_tasks = std::min<uint32_t>(num_tasks, dst_height); kernel_arg.num_tasks = std::min<uint32_t>(num_tasks, dst_height);
kernel_arg.format = (src_bpp == 1) ? 5 : (src_bpp == 2) ? 1 : 0; kernel_arg.format = format;
kernel_arg.filter = filter; kernel_arg.filter = filter;
kernel_arg.wrap = wrap; kernel_arg.wrap = wrap;

41
driver/tests/tex_demo/utils.cpp
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@@ -1,6 +1,7 @@
#include "utils.h" #include "utils.h"
#include <fstream> #include <fstream>
#include <assert.h> #include <assert.h>
#include "format.h"
struct __attribute__((__packed__)) tga_header_t { struct __attribute__((__packed__)) tga_header_t {
int8_t idlength; int8_t idlength;
@@ -20,8 +21,7 @@ struct __attribute__((__packed__)) tga_header_t {
int LoadTGA(const char *filename, int LoadTGA(const char *filename,
std::vector<uint8_t> &pixels, std::vector<uint8_t> &pixels,
uint32_t *width, uint32_t *width,
uint32_t *height, uint32_t *height) {
uint32_t *bpp) {
std::ifstream ifs(filename, std::ios::in | std::ios::binary); std::ifstream ifs(filename, std::ios::in | std::ios::binary);
if (!ifs.is_open()) { if (!ifs.is_open()) {
std::cerr << "couldn't open file: " << filename << "!" << std::endl; std::cerr << "couldn't open file: " << filename << "!" << std::endl;
@@ -70,7 +70,7 @@ int LoadTGA(const char *filename,
ColorARGB color; ColorARGB color;
switch (stride) { switch (stride) {
case 2: case 2:
color = Format::ConvertFrom<FORMAT_A1R5G5B5, true>(src_bytes); color = Format::ConvertFrom<FORMAT_A1R5G5B5, true>(src_bytes);
break; break;
case 3: case 3:
color = Format::ConvertFrom<FORMAT_R8G8B8, true>(src_bytes); color = Format::ConvertFrom<FORMAT_R8G8B8, true>(src_bytes);
@@ -92,7 +92,6 @@ int LoadTGA(const char *filename,
*width = header.width; *width = header.width;
*height = header.height; *height = header.height;
*bpp = 4;
return 0; return 0;
} }
@@ -162,19 +161,19 @@ void dump_image(const std::vector<uint8_t>& pixels, uint32_t width, uint32_t hei
} }
} }
int CopyBuffers(const SurfaceDesc &dstDesc, int CopyBuffers(SurfaceDesc &dstDesc,
int32_t dstOffsetX, int32_t dstOffsetX,
int32_t dstOffsetY, int32_t dstOffsetY,
int32_t copyWidth, uint32_t copyWidth,
int32_t copyHeight, uint32_t copyHeight,
const SurfaceDesc &srcDesc, const SurfaceDesc &srcDesc,
int32_t srcOffsetX, int32_t srcOffsetX,
int32_t srcOffsetY) { int32_t srcOffsetY) {
static const BlitTable s_blitTable; static const BlitTable s_blitTable;
if ((srcOffsetX >= srcDesc.Width) || (srcOffsetY >= srcDesc.Height) || if ((srcOffsetX >= (int32_t)srcDesc.Width) || (srcOffsetY >= (int32_t)srcDesc.Height) ||
(dstOffsetX >= dstDesc.Width) || (dstOffsetY >= dstDesc.Height)) { (dstOffsetX >= (int32_t)dstDesc.Width) || (dstOffsetY >= (int32_t)dstDesc.Height)) {
return -1; return -1;
} }
@@ -194,9 +193,25 @@ int CopyBuffers(const SurfaceDesc &dstDesc,
copyHeight = srcDesc.Height; copyHeight = srcDesc.Height;
} }
s_blitTable.get(srcDesc.Format, dstDesc.Format)( return s_blitTable.get(srcDesc.Format, dstDesc.Format)(
dstDesc, dstOffsetX, dstOffsetY, copyWidth, copyHeight, srcDesc, dstDesc, dstOffsetX, dstOffsetY, copyWidth, copyHeight, srcDesc,
srcOffsetX, srcOffsetY); srcOffsetX, srcOffsetY);
}
return 0; int ConvertImage(std::vector<uint8_t>& dst_pixels,
const std::vector<uint8_t>& src_pixels,
uint32_t width,
uint32_t height,
ePixelFormat src_format,
ePixelFormat dst_format) {
uint32_t src_pitch = Format::GetInfo(src_format).BytePerPixel * width;
uint32_t dst_pitch = Format::GetInfo(dst_format).BytePerPixel * width;
dst_pixels.resize(dst_pitch * height);
SurfaceDesc srcDesc{src_format, (uint8_t*)src_pixels.data(), width, height, src_pitch};
SurfaceDesc dstDesc{dst_format, dst_pixels.data(), width, height, dst_pitch};
return CopyBuffers(dstDesc, 0, 0, width, height, srcDesc, 0, 0);
} }

21
driver/tests/tex_demo/utils.h
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@@ -12,8 +12,7 @@ inline uint32_t ilog2 (uint32_t value) {
int LoadTGA(const char *filename, int LoadTGA(const char *filename,
std::vector<uint8_t> &pixels, std::vector<uint8_t> &pixels,
uint32_t *width, uint32_t *width,
uint32_t *height, uint32_t *height);
uint32_t *bpp);
int SaveTGA(const char *filename, int SaveTGA(const char *filename,
const std::vector<uint8_t> &pixels, const std::vector<uint8_t> &pixels,
@@ -21,13 +20,23 @@ int SaveTGA(const char *filename,
uint32_t height, uint32_t height,
uint32_t bpp); uint32_t bpp);
int CopyBuffers(const SurfaceDesc &dstDesc, int CopyBuffers(SurfaceDesc &dstDesc,
int32_t dstOffsetX, int32_t dstOffsetX,
int32_t dstOffsetY, int32_t dstOffsetY,
int32_t copyWidth, uint32_t copyWidth,
int32_t copyHeight, uint32_t copyHeight,
const SurfaceDesc &srcDesc, const SurfaceDesc &srcDesc,
int32_t srcOffsetX, int32_t srcOffsetX,
int32_t srcOffsetY); int32_t srcOffsetY);
void dump_image(const std::vector<uint8_t>& pixels, uint32_t width, uint32_t height, uint32_t bpp); int ConvertImage(std::vector<uint8_t>& dst_pixels,
const std::vector<uint8_t>& src_pixels,
uint32_t width,
uint32_t height,
ePixelFormat src_format,
ePixelFormat dst_format);
void dump_image(const std::vector<uint8_t>& pixels,
uint32_t width,
uint32_t height,
uint32_t bpp);

14
hw/rtl/tex_unit/VX_tex_format.v
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@@ -14,16 +14,16 @@ module VX_tex_format #(
always @(*) begin always @(*) begin
case (format) case (format)
`TEX_FORMAT_R5G6B5: begin `TEX_FORMAT_R5G6B5: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[4:0]); texel_out_r[07:00] = `TEX_COLOR_BITS'({texel_in[15:11],texel_in[15:13]});
texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[10:5]); texel_out_r[15:08] = `TEX_COLOR_BITS'({texel_in[10:5],texel_in[10:9]});
texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[15:11]); texel_out_r[23:16] = `TEX_COLOR_BITS'({texel_in[4:0],texel_in[4:2]});
texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}}; texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}};
end end
`TEX_FORMAT_R4G4B4A4: begin `TEX_FORMAT_R4G4B4A4: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[3:0]); texel_out_r[07:00] = `TEX_COLOR_BITS'({texel_in[11:8],texel_in[15:12]});
texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:4]); texel_out_r[15:08] = `TEX_COLOR_BITS'({2{texel_in[7:4]}});
texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[11:8]); texel_out_r[23:16] = `TEX_COLOR_BITS'({2{texel_in[3:0]}});
texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[15:12]); texel_out_r[31:24] = `TEX_COLOR_BITS'({2{texel_in[15:12]}});
end end
`TEX_FORMAT_L8A8: begin `TEX_FORMAT_L8A8: begin
texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]); texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);