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Burningsvideo 0.52

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- scissor for 2D
- downscaled internal rendertargets,interlaced drawing
- supertuxkart gui ok

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6154 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
engineer_apple
2020-11-10 18:49:39 +00:00
parent 6805226b5b
commit 5cb28ea357
59 changed files with 2115 additions and 1848 deletions
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25
source/Irrlicht/CTRTextureGouraud2.cpp
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@@ -167,7 +167,7 @@ void CTRTextureGouraud2::fragmentShader ()
return;
// slopes
const f32 invDeltaX = reciprocal_zero2( line.x[1] - line.x[0] );
const f32 invDeltaX = fill_step_x( line.x[1] - line.x[0] );
#ifdef IPOL_Z
slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
@@ -254,10 +254,10 @@ void CTRTextureGouraud2::fragmentShader ()
u32 dIndex = ( line.y & 3 ) << 2;
#endif
for ( s32 i = 0; i <= dx; ++i )
for ( s32 i = 0; i <= dx; i += SOFTWARE_DRIVER_2_STEP_X)
{
//if test active only first pixel
if ( (0 == EdgeTestPass) & i ) break;
if ((0 == EdgeTestPass) & (i > line.x_edgetest)) break;
#ifdef CMP_Z
if ( line.z[0] < z[i] )
@@ -382,9 +382,9 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
const f32 ba = b->Pos.y - a->Pos.y;
const f32 cb = c->Pos.y - b->Pos.y;
// calculate delta y of the edges
scan.invDeltaY[0] = reciprocal_zero( ca );
scan.invDeltaY[1] = reciprocal_zero( ba );
scan.invDeltaY[2] = reciprocal_zero( cb );
scan.invDeltaY[0] = fill_step_y( ca );
scan.invDeltaY[1] = fill_step_y( ba );
scan.invDeltaY[2] = fill_step_y( cb );
if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) )
return;
@@ -551,9 +551,10 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
#endif
#endif
line.x_edgetest = fill_convention_edge(scan.slopeX[scan.left]);
// rasterize the edge scanlines
for( line.y = yStart; line.y <= yEnd; ++line.y)
for( line.y = yStart; line.y <= yEnd; line.y += SOFTWARE_DRIVER_2_STEP_Y)
{
line.x[scan.left] = scan.x[0];
line.x[scan.right] = scan.x[1];
@@ -599,7 +600,7 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
#endif
// render a scanline
fragmentShader ();
interlace_scanline fragmentShader ();
if ( EdgeTestPass & edge_test_first_line ) break;
@@ -734,7 +735,6 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
yEnd = fill_convention_right( c->Pos.y );
#ifdef SUBTEXEL
subPixel = ( (f32) yStart ) - b->Pos.y;
// correct to pixel center
@@ -761,7 +761,7 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
scan.c[1][1] += scan.slopeC[1][1] * subPixel;
#endif
#ifdef IPOL_C1
#ifdef IPOL_C2
scan.c[2][0] += scan.slopeC[2][0] * subPixel;
scan.c[2][1] += scan.slopeC[2][1] * subPixel;
#endif
@@ -782,9 +782,10 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
#endif
#endif
line.x_edgetest = fill_convention_edge(scan.slopeX[scan.left]);
// rasterize the edge scanlines
for( line.y = yStart; line.y <= yEnd; ++line.y)
for( line.y = yStart; line.y <= yEnd; line.y += SOFTWARE_DRIVER_2_STEP_Y)
{
line.x[scan.left] = scan.x[0];
line.x[scan.right] = scan.x[1];
@@ -830,7 +831,7 @@ void CTRTextureGouraud2::drawTriangle(const s4DVertex* burning_restrict a, const
#endif
// render a scanline
fragmentShader ();
interlace_scanline fragmentShader ();
if ( EdgeTestPass & edge_test_first_line ) break;