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Cleanup.

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This commit is contained in:
Бранимир Караџић
2022-08-22 20:41:35 -07:00
parent ad5cc799a4
commit 5d447dd7f3
1 changed files with 127 additions and 63 deletions
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190
examples/47-pixelformats/pixelformats.cpp
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@@ -13,10 +13,10 @@
namespace
{
const int TEXTURE_SIZE = 256;
const int HALF_TEXTURE_SIZE = TEXTURE_SIZE / 2;
const int NUM_FORMATS = bgfx::TextureFormat::UnknownDepth - bgfx::TextureFormat::Unknown - 1;
const int NUM_FORMATS_IN_ROW = (int)bx::ceil(bx::sqrt(NUM_FORMATS));
constexpr int32_t kTextureSize = 256;
constexpr int32_t kHalfTextureSize = kTextureSize / 2;
constexpr int32_t kNumFormats = bgfx::TextureFormat::UnknownDepth - bgfx::TextureFormat::Unknown - 1;
const int32_t kNumFormatsInRow = (int32_t)bx::ceil(bx::sqrt(kNumFormats) );
class ExamplePixelFormats : public entry::AppI
{
@@ -60,17 +60,17 @@ public:
| BGFX_SAMPLER_MIN_POINT
| BGFX_SAMPLER_MAG_POINT
;
float* rgbaf32Pixels = (float*)BX_ALLOC(entry::getAllocator(), TEXTURE_SIZE * TEXTURE_SIZE * 4 * sizeof(float));
int x, y;
for (y = 0 ; y < TEXTURE_SIZE; ++y)
float* rgbaf32Pixels = (float*)BX_ALLOC(entry::getAllocator(), kTextureSize * kTextureSize * 4 * sizeof(float) );
int32_t x, y;
for (y = 0 ; y < kTextureSize; ++y)
{
for (x = 0; x < TEXTURE_SIZE; ++x)
for (x = 0; x < kTextureSize; ++x)
{
float relX = (x - HALF_TEXTURE_SIZE) / (float) HALF_TEXTURE_SIZE;
float relY = (y - HALF_TEXTURE_SIZE) / (float) HALF_TEXTURE_SIZE;
float distance = bx::min(1.0f, bx::sqrt(relX * relX + relY * relY));
float relX = (x - kHalfTextureSize) / (float) kHalfTextureSize;
float relY = (y - kHalfTextureSize) / (float) kHalfTextureSize;
float distance = bx::min(1.0f, bx::sqrt(relX * relX + relY * relY) );
float angle = bx::atan2(relY, relX);
float* pixel = &rgbaf32Pixels[(x + y * TEXTURE_SIZE) * 4];
float* pixel = &rgbaf32Pixels[(x + y * kTextureSize) * 4];
float hsv[3] = {angle / (2.0f * bx::kPi), 1.0f, 1.0f - distance};
bx::hsvToRgb(pixel, hsv);
pixel[3] = 1.0f - distance;
@@ -81,19 +81,19 @@ public:
{
for (x = 0; x < 16; ++x)
{
float* r = &rgbaf32Pixels[(x + (TEXTURE_SIZE - 36 + y) * TEXTURE_SIZE) * 4];
float* r = &rgbaf32Pixels[(x + (kTextureSize - 36 + y) * kTextureSize) * 4];
r[0] = 1.0f;
r[1] = 0.0f;
r[2] = 0.0f;
r[3] = 1.0f;
float* g = &rgbaf32Pixels[(x + 16 + (TEXTURE_SIZE - 36 + y) * TEXTURE_SIZE) * 4];
float* g = &rgbaf32Pixels[(x + 16 + (kTextureSize - 36 + y) * kTextureSize) * 4];
g[0] = 0.0f;
g[1] = 1.0f;
g[2] = 0.0f;
g[3] = 1.0f;
float* b = &rgbaf32Pixels[(x + 32 + (TEXTURE_SIZE - 36 + y) * TEXTURE_SIZE) * 4];
float* b = &rgbaf32Pixels[(x + 32 + (kTextureSize - 36 + y) * kTextureSize) * 4];
b[0] = 0.0f;
b[1] = 0.0f;
b[2] = 1.0f;
@@ -105,7 +105,7 @@ public:
{
for (x = 0; x < 48; ++x)
{
float* a = &rgbaf32Pixels[(x + (TEXTURE_SIZE - 20 + y) * TEXTURE_SIZE) * 4];
float* a = &rgbaf32Pixels[(x + (kTextureSize - 20 + y) * kTextureSize) * 4];
a[0] = 1.0f;
a[1] = 1.0f;
a[2] = 1.0f;
@@ -114,47 +114,93 @@ public:
}
bimg::TextureInfo info;
for (int i = 0; i < NUM_FORMATS; ++i)
for (int32_t i = 0; i < kNumFormats; ++i)
{
int format = (int)bgfx::TextureFormat::Unknown + 1 + i;
const char* formatName = bimg::getName(bimg::TextureFormat::Enum(format));
int32_t format = (int32_t)bgfx::TextureFormat::Unknown + 1 + i;
const char* formatName = bimg::getName(bimg::TextureFormat::Enum(format) );
int32_t formatNameLen = bx::strLen(formatName);
if (!bimg::imageConvert(bimg::TextureFormat::Enum(format), bimg::TextureFormat::RGBA32F)
|| formatName[formatNameLen - 1] == 'I'
|| formatName[formatNameLen - 1] == 'U'
|| formatName[formatNameLen - 1] == 'I'
|| formatName[formatNameLen - 1] == 'U'
)
{
m_textures[i] = BGFX_INVALID_HANDLE;
continue;
}
bimg::imageGetSize(&info, TEXTURE_SIZE, TEXTURE_SIZE, 1, false, false, 1, bimg::TextureFormat::Enum(format));
bimg::imageGetSize(
&info
, kTextureSize
, kTextureSize
, 1
, false
, false
, 1
, bimg::TextureFormat::Enum(format)
);
const bgfx::Memory* mem = bgfx::alloc(info.storageSize);
bimg::imageConvert(entry::getAllocator(), mem->data, info.format, rgbaf32Pixels, bimg::TextureFormat::RGBA32F, TEXTURE_SIZE, TEXTURE_SIZE, 1);
m_textures[i] = bgfx::createTexture2D(info.width, info.height, info.numMips > 1, info.numLayers, bgfx::TextureFormat::Enum(info.format), flags, mem);
bimg::imageConvert(
entry::getAllocator()
, mem->data
, info.format
, rgbaf32Pixels
, bimg::TextureFormat::RGBA32F
, kTextureSize
, kTextureSize
, 1
);
m_textures[i] = bgfx::createTexture2D(
info.width
, info.height
, info.numMips > 1
, info.numLayers
, bgfx::TextureFormat::Enum(info.format)
, flags
, mem
);
bgfx::setName(m_textures[i], formatName);
bgfx::setViewName(bgfx::ViewId(i + 1), formatName);
}
const bgfx::Memory* checkerboardImageMemory = bgfx::alloc(TEXTURE_SIZE * TEXTURE_SIZE * 4);
bimg::imageCheckerboard(checkerboardImageMemory->data, TEXTURE_SIZE, TEXTURE_SIZE, 16, 0xFF909090, 0xFF707070);
m_checkerboard = bgfx::createTexture2D(TEXTURE_SIZE, TEXTURE_SIZE, false, 1, bgfx::TextureFormat::RGBA8, flags, checkerboardImageMemory);
const bgfx::Memory* checkerboardImageMemory = bgfx::alloc(kTextureSize * kTextureSize * 4);
bimg::imageCheckerboard(
checkerboardImageMemory->data
, kTextureSize
, kTextureSize
, 16
, 0xFF909090
, 0xFF707070
);
m_checkerboard = bgfx::createTexture2D(
kTextureSize
, kTextureSize
, false
, 1
, bgfx::TextureFormat::RGBA8
, flags
, checkerboardImageMemory
);
BX_FREE(entry::getAllocator(), rgbaf32Pixels);
imguiCreate();
}
int shutdown() override
int32_t shutdown() override
{
imguiDestroy();
for (auto texture: m_textures)
{
if (bgfx::isValid(texture))
if (bgfx::isValid(texture) )
bgfx::destroy(texture);
}
if (bgfx::isValid(m_checkerboard))
if (bgfx::isValid(m_checkerboard) )
bgfx::destroy(m_checkerboard);
// Shutdown bgfx.
@@ -167,30 +213,33 @@ public:
{
ImVec2 textSize = ImGui::CalcTextSize(text);
ImVec2 textOffset = ImVec2(
size.x >= 0.0f ? bx::max((size.x - textSize.x) / 2, 0.0f) : 0.0f,
size.y >= 0.0f ? bx::max((size.y - textSize.y) / 2, 0.0f) : 0.0f
);
ImGui::SetCursorPos(ImVec2(ImGui::GetCursorPosX() + textOffset.x, ImGui::GetCursorPosY() + textOffset.y));
size.x >= 0.0f ? bx::max( (size.x - textSize.x) / 2, 0.0f) : 0.0f
, size.y >= 0.0f ? bx::max( (size.y - textSize.y) / 2, 0.0f) : 0.0f
);
ImGui::SetCursorPos(ImVec2(
ImGui::GetCursorPosX() + textOffset.x
, ImGui::GetCursorPosY() + textOffset.y
) );
ImGui::TextUnformatted(text);
};
void imguiTexturePreview(const ImVec2& size, bgfx::TextureHandle texture, const ImVec2& previewSizeHint = ImVec2(-1.0f, -1.0f)) const
void imguiTexturePreview(const ImVec2& size, bgfx::TextureHandle texture, const ImVec2& previewSizeHint = ImVec2(-1.0f, -1.0f) ) const
{
ImVec2 origin = ImGui::GetCursorScreenPos();
ImVec2 previewSize = ImVec2(
previewSizeHint.x >= 0.0f ? previewSizeHint.x : size.x,
previewSizeHint.y >= 0.0f ? previewSizeHint.y : size.y
);
previewSizeHint.x >= 0.0f ? previewSizeHint.x : size.x
, previewSizeHint.y >= 0.0f ? previewSizeHint.y : size.y
);
ImVec2 previewPos = ImVec2(
origin.x + bx::max(0.0f, (size.x - previewSize.x) / 2),
origin.y + bx::max(0.0f, (size.y - previewSize.y) / 2)
);
origin.x + bx::max(0.0f, (size.x - previewSize.x) / 2)
, origin.y + bx::max(0.0f, (size.y - previewSize.y) / 2)
);
if (bgfx::isValid(texture))
if (bgfx::isValid(texture) )
{
if (bgfx::isValid(m_checkerboard))
if (bgfx::isValid(m_checkerboard) )
{
ImGui::SetCursorScreenPos(previewPos);
ImGui::Image(m_checkerboard, previewSize);
@@ -208,8 +257,6 @@ public:
ImVec2 p1 = ImVec2(p0.x + previewSize.x, p0.y + previewSize.y);
drawList->AddRect(p0, p1, color);
drawList->AddLine(p0, p1, color);
// imguiTextBoxUnformatted(size, "INVALID");
}
ImGui::SetCursorScreenPos(origin);
@@ -233,27 +280,28 @@ public:
showExampleDialog(this);
ImGui::SetNextWindowPos(ImVec2(360.0f, 40.0f), ImGuiCond_FirstUseEver);
ImGui::Begin("Formats", nullptr, ImGuiWindowFlags_AlwaysAutoResize);
ImGui::Begin("Formats", NULL, ImGuiWindowFlags_AlwaysAutoResize);
float cellWidth = m_previewSize;
for (int i = 0; i < NUM_FORMATS; ++i)
for (int32_t i = 0; i < kNumFormats; ++i)
{
int format = (int)bgfx::TextureFormat::Unknown + 1 + i;
ImVec2 textSize = ImGui::CalcTextSize(bimg::getName(bimg::TextureFormat::Enum(format)));
int32_t format = (int32_t)bgfx::TextureFormat::Unknown + 1 + i;
ImVec2 textSize = ImGui::CalcTextSize(bimg::getName(bimg::TextureFormat::Enum(format) ) );
cellWidth = bx::max(cellWidth, textSize.x);
}
ImDrawList* drawList = ImGui::GetWindowDrawList();
ImGui::DragFloat("Preview Size", &m_previewSize, 1.0f, 10.0f, TEXTURE_SIZE);
ImGui::DragFloat("Preview Size", &m_previewSize, 1.0f, 10.0f, kTextureSize);
ImGui::SameLine();
ImGui::Checkbox("Alpha", &m_useAlpha);
ImGui::BeginTable("Formats", NUM_FORMATS_IN_ROW, ImGuiTableFlags_Borders | ImGuiTableFlags_SizingFixedFit);
for (int i = 0; i < NUM_FORMATS; ++i)
ImGui::BeginTable("Formats", kNumFormatsInRow, ImGuiTableFlags_Borders | ImGuiTableFlags_SizingFixedFit);
for (int32_t i = 0; i < kNumFormats; ++i)
{
ImGui::TableNextColumn();
int format = (int)bgfx::TextureFormat::Unknown + 1 + i;
int32_t format = (int32_t)bgfx::TextureFormat::Unknown + 1 + i;
bool isSelected = (m_selectedFormat == format);
@@ -263,35 +311,51 @@ public:
ImGui::BeginGroup();
ImGuiTextBuffer label;
label.append(bimg::getName(bimg::TextureFormat::Enum(format)));
imguiTextBoxUnformatted(ImVec2(cellWidth, 0.0f), label.c_str());
imguiTexturePreview(ImVec2(cellWidth, m_previewSize), m_textures[i], ImVec2(m_previewSize, m_previewSize));
label.append(bimg::getName(bimg::TextureFormat::Enum(format) ) );
imguiTextBoxUnformatted(ImVec2(cellWidth, 0.0f), label.c_str() );
imguiTexturePreview(ImVec2(cellWidth, m_previewSize), m_textures[i], ImVec2(m_previewSize, m_previewSize) );
ImGui::EndGroup();
splitter.SetCurrentChannel(drawList, 0);
ImGui::SetCursorScreenPos(ImGui::GetItemRectMin());
ImGui::SetCursorScreenPos(ImGui::GetItemRectMin() );
ImGui::PushID(i);
if (ImGui::Selectable("##selectable", &isSelected, ImGuiSelectableFlags_AllowItemOverlap, ImGui::GetItemRectSize()))
if (ImGui::Selectable(
"##selectable"
, &isSelected
, ImGuiSelectableFlags_AllowItemOverlap
, ImGui::GetItemRectSize()
) )
{
m_selectedFormat = bimg::TextureFormat::Enum(format);
}
ImGui::PopID();
splitter.Merge(drawList);
}
ImGui::EndTable();
ImGui::End();
ImGui::SetNextWindowPos(ImVec2(40.0f, 300.0f), ImGuiCond_FirstUseEver);
ImGui::Begin("Selected Format", nullptr, ImGuiWindowFlags_AlwaysAutoResize);
ImGui::Text("Format: %s", bimg::getName(m_selectedFormat));
int selectedTextureIndex = m_selectedFormat - 1 - (int)bimg::TextureFormat::Unknown;
ImGui::Begin("Selected Format", NULL, ImGuiWindowFlags_AlwaysAutoResize);
ImGui::Text("Format: %s", bimg::getName(m_selectedFormat) );
int32_t selectedTextureIndex = m_selectedFormat - 1 - (int32_t)bimg::TextureFormat::Unknown;
bgfx::TextureHandle selectedTexture = BGFX_INVALID_HANDLE;
if (m_selectedFormat != bimg::TextureFormat::Unknown)
{
selectedTexture = m_textures[selectedTextureIndex];
imguiTexturePreview(ImVec2(TEXTURE_SIZE, TEXTURE_SIZE), selectedTexture);
}
imguiTexturePreview(ImVec2(kTextureSize, kTextureSize), selectedTexture);
ImGui::End();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
@@ -320,7 +384,7 @@ public:
bimg::TextureFormat::Enum m_selectedFormat = bimg::TextureFormat::RGBA8;
bgfx::TextureHandle m_checkerboard = BGFX_INVALID_HANDLE;
bgfx::TextureHandle m_textures[NUM_FORMATS];
bgfx::TextureHandle m_textures[kNumFormats];
};
} // namespace