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Don't resize render target to handle out-of-bounds viewports. Instead, adjust the projection matrix.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7538 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check
2011-05-12 02:14:45 +00:00
parent 8cb2443c2f
commit 8024783502
16 changed files with 229 additions and 261 deletions
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20
Source/Core/VideoCommon/Src/RenderBase.h
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@ -66,12 +66,6 @@ public:
virtual void ApplyState(bool bUseDstAlpha) = 0;
virtual void RestoreState() = 0;
// Real internal resolution:
// D3D doesn't support viewports larger than the target size, so we need to resize the target to the viewport size for those.
// OpenGL supports this, so GetFullTargetWidth returns the same as GetTargetWidth there.
static int GetFullTargetWidth() { return s_Fulltarget_width; }
static int GetFullTargetHeight() { return s_Fulltarget_height; }
// Ideal internal resolution - determined by display resolution (automatic scaling) and/or a multiple of the native EFB resolution
static int GetTargetWidth() { return s_target_width; }
static int GetTargetHeight() { return s_target_height; }
@ -99,12 +93,6 @@ public:
static float EFBToScaledXf(float x) { return x * ((float)GetTargetWidth() / (float)EFB_WIDTH); }
static float EFBToScaledYf(float y) { return y * ((float)GetTargetHeight() / (float)EFB_HEIGHT); }
// Returns the offset at which the EFB will be drawn onto the backbuffer
// NOTE: Never calculate this manually (e.g. to "increase accuracy"), since you might end up getting off-by-one errors.
// This is a per-frame constant, so it won't cause any issues.
static int TargetStrideX() { return (s_Fulltarget_width - s_target_width) / 2; }
static int TargetStrideY() { return (s_Fulltarget_height - s_target_height) / 2; }
// Random utilities
static void SetScreenshot(const char *filename);
static void DrawDebugText();
@ -124,7 +112,7 @@ public:
// Finish up the current frame, print some stats
virtual void Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight, const EFBRectangle& rc,float Gamma = 1.0f) = 0;
virtual void UpdateViewport() = 0;
virtual void UpdateViewport(Matrix44& vpCorrection) = 0;
virtual bool SaveScreenshot(const std::string &filename, const TargetRectangle &rc) = 0;
@ -160,10 +148,6 @@ protected:
static int s_target_width;
static int s_target_height;
// The custom resolution
static int s_Fulltarget_width;
static int s_Fulltarget_height;
// TODO: Add functionality to reinit all the render targets when the window is resized.
static int s_backbuffer_width;
static int s_backbuffer_height;
@ -189,7 +173,7 @@ private:
extern Renderer *g_renderer;
void UpdateViewport();
void UpdateViewport(Matrix44& vpCorrection);
template <typename R>
void GetScissorRect(MathUtil::Rectangle<R> &rect)