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Differential D4796 Diff 20937 source/graphics/TextRenderer.cpp

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source/graphics/TextRenderer.cpp

Show First 20 Lines • Show All 197 Lines • ▼ Show 20 Lines if (a.font != b.font)
return a.font < b.font; return a.font < b.font;
// TODO: is it worth sorting by color/translate too? // TODO: is it worth sorting by color/translate too?
return false; return false;
} }
}; };
void CTextRenderer::Render( void CTextRenderer::Render(
Renderer::Backend::IDeviceCommandContext* deviceCommandContext, Renderer::Backend::IDeviceCommandContext* deviceCommandContext,
Renderer::Backend::IShaderProgram* shader, const CMatrix3D& transform) Renderer::Backend::IShaderProgram* shader,
const CVector2D& transformScale, const CVector2D& translation)
{ {
std::vector<u16> indexes; std::vector<u16> indexes;
std::vector<t2f_v2i> vertexes; std::vector<t2f_v2i> vertexes;
// Try to merge non-consecutive batches that share the same font/color/translate: // Try to merge non-consecutive batches that share the same font/color/translate:
// sort the batch list by font, then merge the runs of adjacent compatible batches // sort the batch list by font, then merge the runs of adjacent compatible batches
m_Batches.sort(SBatchCompare()); m_Batches.sort(SBatchCompare());
for (std::list<SBatch>::iterator it = m_Batches.begin(); it != m_Batches.end(); ) for (std::list<SBatch>::iterator it = m_Batches.begin(); it != m_Batches.end(); )
{ {
std::list<SBatch>::iterator next = std::next(it); std::list<SBatch>::iterator next = std::next(it);
if (next != m_Batches.end() && it->chars + next->chars <= MAX_CHAR_COUNT_PER_BATCH && it->font == next->font && it->color == next->color && it->translate == next->translate) if (next != m_Batches.end() && it->chars + next->chars <= MAX_CHAR_COUNT_PER_BATCH && it->font == next->font && it->color == next->color && it->translate == next->translate)
{ {
it->chars += next->chars; it->chars += next->chars;
it->runs.splice(it->runs.end(), next->runs); it->runs.splice(it->runs.end(), next->runs);
m_Batches.erase(next); m_Batches.erase(next);
} }
else else
++it; ++it;
} }
const int32_t texBindingSlot = shader->GetBindingSlot(str_tex); const int32_t texBindingSlot = shader->GetBindingSlot(str_tex);
const int32_t transformBindingSlot = shader->GetBindingSlot(str_transform); const int32_t translationBindingSlot = shader->GetBindingSlot(str_translation);
const int32_t colorAddBindingSlot = shader->GetBindingSlot(str_colorAdd); const int32_t colorAddBindingSlot = shader->GetBindingSlot(str_colorAdd);
const int32_t colorMulBindingSlot = shader->GetBindingSlot(str_colorMul); const int32_t colorMulBindingSlot = shader->GetBindingSlot(str_colorMul);
bool transformChanged = false; bool translationChanged = false;
CTexture* lastTexture = nullptr; CTexture* lastTexture = nullptr;
for (std::list<SBatch>::iterator it = m_Batches.begin(); it != m_Batches.end(); ++it) for (std::list<SBatch>::iterator it = m_Batches.begin(); it != m_Batches.end(); ++it)
{ {
SBatch& batch = *it; SBatch& batch = *it;
const CFont::GlyphMap& glyphs = batch.font->GetGlyphs(); const CFont::GlyphMap& glyphs = batch.font->GetGlyphs();
if (lastTexture != batch.font->GetTexture().get()) if (lastTexture != batch.font->GetTexture().get())
{ {
lastTexture = batch.font->GetTexture().get(); lastTexture = batch.font->GetTexture().get();
lastTexture->UploadBackendTextureIfNeeded(deviceCommandContext); lastTexture->UploadBackendTextureIfNeeded(deviceCommandContext);
deviceCommandContext->SetTexture(texBindingSlot, lastTexture->GetBackendTexture()); deviceCommandContext->SetTexture(texBindingSlot, lastTexture->GetBackendTexture());
} }
if (batch.translate.X != 0.0f || batch.translate.Y != 0.0f) if (batch.translate.X != 0.0f || batch.translate.Y != 0.0f)
{ {
CMatrix3D localTransform; const CVector2D localTranslation =
localTransform.SetTranslation(batch.translate.X, batch.translate.Y, 0.0f); translation + CVector2D(batch.translate.X * transformScale.X, batch.translate.Y * transformScale.Y);
localTransform = transform * localTransform; deviceCommandContext->SetUniform(translationBindingSlot, localTranslation.AsFloatArray());
deviceCommandContext->SetUniform(transformBindingSlot, localTransform.AsFloatArray()); translationChanged = true;
transformChanged = true;
} }
// ALPHA-only textures will have .rgb sampled as 0, so we need to // ALPHA-only textures will have .rgb sampled as 0, so we need to
// replace it with white (but not affect RGBA textures) // replace it with white (but not affect RGBA textures)
if (batch.font->HasRGB()) if (batch.font->HasRGB())
deviceCommandContext->SetUniform(colorAddBindingSlot, 0.0f, 0.0f, 0.0f, 0.0f); deviceCommandContext->SetUniform(colorAddBindingSlot, 0.0f, 0.0f, 0.0f, 0.0f);
else else
deviceCommandContext->SetUniform(colorAddBindingSlot, batch.color.r, batch.color.g, batch.color.b, 0.0f); deviceCommandContext->SetUniform(colorAddBindingSlot, batch.color.r, batch.color.g, batch.color.b, 0.0f);
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Lines for (std::list<SBatchRun>::iterator runit = batch.runs.begin(); runit != batch.runs.end(); ++runit)
} }
} }
flush(); flush();
} }
m_Batches.clear(); m_Batches.clear();
if (transformChanged) if (translationChanged)
deviceCommandContext->SetUniform(transformBindingSlot, transform.AsFloatArray()); deviceCommandContext->SetUniform(translationBindingSlot, translation.AsFloatArray());
} }
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