Merging r6075 through r6106 from trunk to ogl-es branch.

Burnings renderer changes. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6116 dfc29bdd-3216-0410-991c-e03cc46cb475
2020-06-12 20:41:49 +00:00
parent 084e0e669a
commit 20b3d56987
117 changed files with 10384 additions and 3817 deletions
--- a/source/Irrlicht/burning_shader_compile_fragment_start.h
+++ b/source/Irrlicht/burning_shader_compile_fragment_start.h
@@ -0,0 +1,119 @@
+#include "burning_shader_compile_verify.h"
+
+/*!
+*/
+void burning_shader_class::burning_shader_fragment()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC;
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = fill_convention_left(line.x[0]);
+	xEnd = fill_convention_right(line.x[1]);
+
+	dx = xEnd - xStart;
+	if (dx < 0)
+		return;
+
+	// slopes
+	const f32 invDeltaX = reciprocal_zero2(line.x[1] - line.x[0]);
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ((f32)xStart) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	SOFTWARE_DRIVER_2_CLIPCHECK;
+	dst = (tVideoSample*)RenderTarget->getData() + (line.y * RenderTarget->getDimension().Width) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*)DepthBuffer->lock() + (line.y * RenderTarget->getDimension().Width) + xStart;
+#endif
+
+
+	f32 inversew = INVERSE_W_RANGE;
+
+#ifdef IPOL_C0
+	tFixPoint r0, g0, b0;
+#endif
+
+#ifdef IPOL_A0
+	tFixPoint a0;
+	tFixPoint r1, g1, b1;
+#endif
+
+	for (s32 i = 0; i <= dx; ++i)
+	{
+		if ((0 == EdgeTestPass) & i) break;
+
+#ifdef CMP_Z
+		if (line.z[0] < z[i])
+#endif
+#ifdef CMP_W
+		if (line.w[0] >= z[i])
+#endif
+		{
+#ifdef WRITE_Z
+			z[i] = line.z[0];
+#endif
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+		/* Pixel Shader here */
+#ifdef INVERSE_W
+			inversew = (INVERSE_W_RANGE) / line.w[0]; /* fix_inverse32(line.w[0]);*/
+#endif