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REDESIGNED: Set rlgl internal framebuffer #2420

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This commit is contained in:
Ray 2022-04-24 12:37:50 +02:00
parent dc553d1996
commit 74ca81338e
2 changed files with 25 additions and 13 deletions
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4
src/rcore.c
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@ -2201,8 +2201,10 @@ void BeginTextureMode(RenderTexture2D target)
rlEnableFramebuffer(target.id); // Enable render target
// Set viewport to framebuffer size
// Set viewport and RLGL internal framebuffer size
rlViewport(0, 0, target.texture.width, target.texture.height);
rlSetFramebufferWidth(target.texture.width);
rlSetFramebufferHeight(target.texture.height);
rlMatrixMode(RL_PROJECTION); // Switch to projection matrix
rlLoadIdentity(); // Reset current matrix (projection)

34
src/rlgl.h
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@ -598,7 +598,9 @@ RLAPI void rlglInit(int width, int height); // Initialize rlgl (buffer
RLAPI void rlglClose(void); // De-inititialize rlgl (buffers, shaders, textures)
RLAPI void rlLoadExtensions(void *loader); // Load OpenGL extensions (loader function required)
RLAPI int rlGetVersion(void); // Get current OpenGL version
RLAPI int rlSetFramebufferWidth(int width); // Set current framebuffer width
RLAPI int rlGetFramebufferWidth(void); // Get default framebuffer width
RLAPI int rlSetFramebufferHeight(int height); // Set current framebuffer height
RLAPI int rlGetFramebufferHeight(void); // Get default framebuffer height
RLAPI unsigned int rlGetTextureIdDefault(void); // Get default texture id
@ -927,10 +929,8 @@ typedef struct rlglData {
int glBlendDstFactor; // Blending destination factor
int glBlendEquation; // Blending equation
int viewportX; // Current viewport offset x
int viewportY; // Current viewport offset y
int framebufferWidth; // Current viewport width (framebuffer)
int framebufferHeight; // Current viewport height (framebuffer)
int framebufferWidth; // Current framebuffer width
int framebufferHeight; // Current framebuffer height
} State; // Renderer state
struct {
@ -1235,11 +1235,6 @@ void rlOrtho(double left, double right, double bottom, double top, double znear,
// NOTE: We store current viewport dimensions
void rlViewport(int x, int y, int width, int height)
{
RLGL.State.viewportX = x;
RLGL.State.viewportY = y;
RLGL.State.framebufferWidth = width;
RLGL.State.framebufferHeight = height;
glViewport(x, y, width, height);
}
@ -2227,6 +2222,22 @@ int rlGetVersion(void)
return glVersion;
}
// Set current framebuffer width
int rlSetFramebufferWidth(int width)
{
#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
RLGL.State.framebufferWidth = width;
#endif
}
// Set current framebuffer height
int rlSetFramebufferHeight(int height)
{
#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
RLGL.State.framebufferHeight = height;
#endif
}
// Get default framebuffer width
int rlGetFramebufferWidth(void)
{
@ -2510,8 +2521,7 @@ void rlDrawRenderBatch(rlRenderBatch *batch)
if (eyeCount == 2)
{
// Setup current eye viewport (half screen width)
// NOTE: We use glViewport() because rlViewport() stores viewport measures in RLGL.State
glViewport(RLGL.State.viewportX + eye*RLGL.State.framebufferWidth/2, RLGL.State.viewportY, RLGL.State.framebufferWidth/2, RLGL.State.framebufferHeight);
rlViewport(eye*RLGL.State.framebufferWidth/2, 0, RLGL.State.framebufferWidth/2, RLGL.State.framebufferHeight);
// Set current eye view offset to modelview matrix
rlSetMatrixModelview(rlMatrixMultiply(matModelView, RLGL.State.viewOffsetStereo[eye]));
@ -2612,7 +2622,7 @@ void rlDrawRenderBatch(rlRenderBatch *batch)
}
// Restore viewport to default measures
if (eyeCount == 2) glViewport(RLGL.State.viewportX, RLGL.State.viewportY, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight);
if (eyeCount == 2) rlViewport(0, 0, RLGL.State.framebufferWidth, RLGL.State.framebufferHeight);
//------------------------------------------------------------------------------------------------------------
// Reset batch buffers