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Implement GraphicsDrawer::copyTexturedRect

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This commit is contained in:
Sergey Lipskiy 2017-01-14 15:58:14 +07:00
parent 5ce4a4328e
commit 704378777d
2 changed files with 103 additions and 4 deletions
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83
src/GraphicsDrawer.cpp
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@ -1389,3 +1389,86 @@ void GraphicsDrawer::clearColorBuffer(float *_pColor)
else
gfxContext.clearColorBuffer(0.0f, 0.0f, 0.0f, 0.0f);
}
void GraphicsDrawer::copyTexturedRect(const CopyRectParams & _params)
{
m_drawingState = DrawingState::TexRect;
const float scaleX = 1.0f / _params.dstWidth;
const float scaleY = 1.0f / _params.dstHeight;
const float X0 = _params.dstX0 * (2.0f * scaleX) - 1.0f;
const float Y0 = _params.dstY0 * (2.0f * scaleY) - 1.0f;
const float X1 = _params.dstX1 * (2.0f * scaleX) - 1.0f;
const float Y1 = _params.dstY1 * (2.0f * scaleY) - 1.0f;
const float Z = 1.0f;
const float W = 1.0f;
m_rect[0].x = X0;
m_rect[0].y = Y0;
m_rect[0].z = Z;
m_rect[0].w = W;
m_rect[1].x = X1;
m_rect[1].y = Y0;
m_rect[1].z = Z;
m_rect[1].w = W;
m_rect[2].x = X0;
m_rect[2].y = Y1;
m_rect[2].z = Z;
m_rect[2].w = W;
m_rect[3].x = X1;
m_rect[3].y = Y1;
m_rect[3].z = Z;
m_rect[3].w = W;
const float scaleS = 1.0f / _params.srcWidth;
const float scaleT = 1.0f / _params.srcHeight;
const float S0 = _params.srcX0 * scaleS;
const float S1 = _params.srcX1 * scaleS;
const float T0 = _params.srcY0 * scaleT;
const float T1 = _params.srcY1 * scaleT;
m_rect[0].s0 = S0;
m_rect[0].t0 = T0;
m_rect[1].s0 = S1;
m_rect[1].t0 = T0;
m_rect[2].s0 = S0;
m_rect[2].t0 = T1;
m_rect[3].s0 = S1;
m_rect[3].t0 = T1;
for (u32 i = 0; i < 2; ++i) {
CachedTexture * tex = _params.tex[i];
if (tex == nullptr)
continue;
Context::TexParameters texParams;
texParams.handle = graphics::ObjectHandle(tex->glName);
texParams.textureUnitIndex = graphics::textureIndices::Tex[i];
texParams.target = tex->frameBufferTexture == CachedTexture::fbMultiSample ?
graphics::target::TEXTURE_2D_MULTISAMPLE : graphics::target::TEXTURE_2D;
texParams.minFilter = _params.filter;
texParams.magFilter = _params.filter;
texParams.wrapS = graphics::textureParameters::WRAP_CLAMP_TO_EDGE;
texParams.wrapT = graphics::textureParameters::WRAP_CLAMP_TO_EDGE;
gfxContext.setTextureParameters(texParams);
}
gfxContext.setViewport(0, 0, _params.dstWidth, _params.dstHeight);
gfxContext.enable(graphics::enable::CULL_FACE, false);
gfxContext.enable(graphics::enable::BLEND, false);
gfxContext.enable(graphics::enable::DEPTH_TEST, false);
gfxContext.enable(graphics::enable::SCISSOR_TEST, false);
gfxContext.enableDepthWrite(false);
Context::DrawRectParameters rectParams;
rectParams.mode = drawmode::TRIANGLE_STRIP;
rectParams.rectColor.fill(0.0f);
rectParams.verticesCount = 4;
rectParams.vertices = m_rect;
rectParams.combiner = _params.combiner;
gfxContext.drawRects(rectParams);
gSP.changed |= CHANGED_GEOMETRYMODE | CHANGED_VIEWPORT;
gDP.changed |= CHANGED_RENDERMODE | CHANGED_TILE | CHANGED_COMBINE | CHANGED_SCISSOR;
}

24
src/GraphicsDrawer.h
View File

@ -78,10 +78,26 @@ public:
void drawTexturedRect(const TexturedRectParams & _params);
void copyTexturedRect(u32 _srcX0, u32 _srcY0, u32 _srcX1, u32 _srcY1,
u32 _srcWidth, u32 _srcHeight, u32 _srcTex,
s32 _dstX0, s32 _dstY0, s32 _dstX1, s32 _dstY1,
u32 _dstWidth, u32 _dstHeight, graphics::Parameter _filter);
struct CopyRectParams
{
s32 srcX0 = 0;
s32 srcY0 = 0;
s32 srcX1;
s32 srcY1;
u32 srcWidth;
u32 srcHeight;
s32 dstX0 = 0;
s32 dstY0 = 0;
s32 dstX1;
s32 dstY1;
u32 dstWidth;
u32 dstHeight;
std::array<CachedTexture *, 2> tex{ { nullptr, nullptr } };
graphics::CombinerProgram * combiner = nullptr;
graphics::Parameter filter;
};
void copyTexturedRect(const CopyRectParams & _params);
void drawText(const char *_pText, float x, float y);