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Fixed point rendering in EMS #328

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Merged
OneLoneCoder merged 1 commit into from
Oct 8, 2026
Merged

Fixed point rendering in EMS #328

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8 changes: 4 additions & 4 deletions dev/msvc/olcPGE3_BuildSH/olcPGE3_BuildSH.vcxproj
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Expand Up @@ -140,8 +140,8 @@
<ClCompile Include="..\..\..\examples\olcPGE3_Pixels.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="..\..\..\examples\olcPGE3_Polygons.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
Expand All @@ -164,8 +164,8 @@
<ClCompile Include="..\..\..\examples\olcPGE3_Camera2D_Tiles.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="..\..\..\examples\olcPGE3_Touch.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
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20 changes: 18 additions & 2 deletions dev/src/draw.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -366,10 +366,26 @@ GPUTask olc::Draw::TaskDrawLine(const std::vector<olc::vf2d>& vPoints, const olc

}

GPUTask olc::Draw::TaskDrawPoints(const std::vector<olc::vf2d>& vPoints, const std::vector<olc::Pixel>& vColours, const olc::Pixel tint)
{
GPUTask task;
task.structure = olc::Structure::Point;
task.vertexBuffer.resize(vPoints.size());
for (size_t i = 0; i < vPoints.size(); i++)
{
task.vertexBuffer[i] = { { vPoints[i].x, vPoints[i].y, 1.0f, 1.0f }, vColours[i],{ 0, 0 },{ 0, 0 },{ 0, 0 },{ 0, 0 } };
}
task.blendmode = blendMode;
task.tint = tint;
return task;
}

GPUTask olc::Draw::TaskDrawPolygon(olc::Structure structure, const std::vector<olc::vf2d>& vPoints, const std::vector<olc::Pixel>& vColours, const olc::Pixel tint)
{
olc_IgnoreUnused(structure);
return TaskDrawLine(vPoints, vColours, tint, false, true);
if (structure == olc::Structure::Point)
return TaskDrawPoints(vPoints, vColours, tint);
else
return TaskDrawLine(vPoints, vColours, tint, false, true);
}

GPUTask olc::Draw::TaskDrawPolygon(olc::Structure structure, const std::vector<olc::vf2d>& vPoints, const olc::Pixel colour, const olc::Pixel tint)
Expand Down
5 changes: 5 additions & 0 deletions dev/src/draw.h
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Expand Up @@ -975,6 +975,11 @@ namespace olc
const olc::Pixel tint = olc::Colour::WHITE,
const bool constrain = true,
const bool looped = false);

GPUTask TaskDrawPoints(
const std::vector<olc::vf2d>& vPoints,
const std::vector<olc::Pixel>& vColours,
const olc::Pixel tint = olc::Colour::WHITE);

GPUTask TaskDrawPolygon(
olc::Structure structure,
Expand Down
2 changes: 2 additions & 0 deletions dev/src/gpu_opengl33.cpp
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Expand Up @@ -76,6 +76,8 @@ out vec4 oCol;
R"(
void main()
{
gl_PointSize = 1.0; // Required for emscripten

if (pgeDrawType == 2) // 3D
{
gl_Position = pgeMVP * vec4(aPos.x, aPos.y, aPos.z, 1.0);
Expand Down
5 changes: 5 additions & 0 deletions dev/src/image.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,11 @@ namespace olc
return region({ 0,0 }, this->Size()).flipH();
}

olc::ImageRegion Image::flipD()
{
return olc::ImageRegion(*this, { 0,0 }, { 0,1 }, { 1, 0 }, { 1,1 });
}

void Image::BindGPU()
{
onGPU = true;
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1 change: 1 addition & 0 deletions dev/src/image.h
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Expand Up @@ -88,6 +88,7 @@ namespace olc
olc::ImageRegion region(const olc::vf2d& vTL, const olc::vf2d& vTR, const olc::vf2d& vBL, const olc::vf2d& vBR);
olc::ImageRegion flipV();
olc::ImageRegion flipH();
olc::ImageRegion flipD();

public: // Make friendly private later
void BindGPU();
Expand Down
33 changes: 31 additions & 2 deletions olcPixelGameEngine3.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2385,6 +2385,7 @@ namespace olc
olc::ImageRegion region(const olc::vf2d& vTL, const olc::vf2d& vTR, const olc::vf2d& vBL, const olc::vf2d& vBR);
olc::ImageRegion flipV();
olc::ImageRegion flipH();
olc::ImageRegion flipD();

public: // Make friendly private later
void BindGPU();
Expand Down Expand Up @@ -3651,6 +3652,11 @@ namespace olc
const olc::Pixel tint = olc::Colour::WHITE,
const bool constrain = true,
const bool looped = false);

GPUTask TaskDrawPoints(
const std::vector<olc::vf2d>& vPoints,
const std::vector<olc::Pixel>& vColours,
const olc::Pixel tint = olc::Colour::WHITE);

GPUTask TaskDrawPolygon(
olc::Structure structure,
Expand Down Expand Up @@ -16716,6 +16722,8 @@ out vec4 oCol;
R"(
void main()
{
gl_PointSize = 1.0; // Required for emscripten

if (pgeDrawType == 2) // 3D
{
gl_Position = pgeMVP * vec4(aPos.x, aPos.y, aPos.z, 1.0);
Expand Down Expand Up @@ -18396,10 +18404,26 @@ GPUTask olc::Draw::TaskDrawLine(const std::vector<olc::vf2d>& vPoints, const olc

}

GPUTask olc::Draw::TaskDrawPoints(const std::vector<olc::vf2d>& vPoints, const std::vector<olc::Pixel>& vColours, const olc::Pixel tint)
{
GPUTask task;
task.structure = olc::Structure::Point;
task.vertexBuffer.resize(vPoints.size());
for (size_t i = 0; i < vPoints.size(); i++)
{
task.vertexBuffer[i] = { { vPoints[i].x, vPoints[i].y, 1.0f, 1.0f }, vColours[i],{ 0, 0 },{ 0, 0 },{ 0, 0 },{ 0, 0 } };
}
task.blendmode = blendMode;
task.tint = tint;
return task;
}

GPUTask olc::Draw::TaskDrawPolygon(olc::Structure structure, const std::vector<olc::vf2d>& vPoints, const std::vector<olc::Pixel>& vColours, const olc::Pixel tint)
{
olc_IgnoreUnused(structure);
return TaskDrawLine(vPoints, vColours, tint, false, true);
if (structure == olc::Structure::Point)
return TaskDrawPoints(vPoints, vColours, tint);
else
return TaskDrawLine(vPoints, vColours, tint, false, true);
}

GPUTask olc::Draw::TaskDrawPolygon(olc::Structure structure, const std::vector<olc::vf2d>& vPoints, const olc::Pixel colour, const olc::Pixel tint)
Expand Down Expand Up @@ -20679,6 +20703,11 @@ namespace olc
return region({ 0,0 }, this->Size()).flipH();
}

olc::ImageRegion Image::flipD()
{
return olc::ImageRegion(*this, { 0,0 }, { 0,1 }, { 1, 0 }, { 1,1 });
}

void Image::BindGPU()
{
onGPU = true;
Expand Down
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