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src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLRenderer.m
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@@ -35,55 +35,10 @@
#include "MTLRenderQueue.h"
#include "MTLSurfaceData.h"
#include "MTLUtils.h"
#import "MTLLayer.h"
-void MTLRenderer_FillParallelogramMetal(
- MTLContext* mtlc, id<MTLTexture> dest, jfloat x, jfloat y, jfloat dx1, jfloat dy1, jfloat dx2, jfloat dy2)
-{
- if (mtlc == NULL || dest == nil)
- return;
-
- J2dTraceLn7(J2D_TRACE_INFO,
- "MTLRenderer_FillParallelogramMetal "
- "(x=%6.2f y=%6.2f "
- "dx1=%6.2f dy1=%6.2f "
- "dx2=%6.2f dy2=%6.2f dst tex=%p)",
- x, y,
- dx1, dy1,
- dx2, dy2, dest);
-
- struct Vertex verts[PGRAM_VERTEX_COUNT] = {
- { {(2.0*x/dest.width) - 1.0,
- 2.0*(1.0 - y/dest.height) - 1.0, 0.0}},
-
- { {2.0*(x+dx1)/dest.width - 1.0,
- 2.0*(1.0 - (y+dy1)/dest.height) - 1.0, 0.0}},
-
- { {2.0*(x+dx2)/dest.width - 1.0,
- 2.0*(1.0 - (y+dy2)/dest.height) - 1.0, 0.0}},
-
- { {2.0*(x+dx1)/dest.width - 1.0,
- 2.0*(1.0 - (y+dy1)/dest.height) - 1.0, 0.0}},
-
- { {2.0*(x + dx1 + dx2)/dest.width - 1.0,
- 2.0*(1.0 - (y+ dy1 + dy2)/dest.height) - 1.0, 0.0}},
-
- { {2.0*(x+dx2)/dest.width - 1.0,
- 2.0*(1.0 - (y+dy2)/dest.height) - 1.0, 0.0},
- }};
-
- // Encode render command.
- id<MTLRenderCommandEncoder> mtlEncoder = [mtlc createRenderEncoderForDest:dest];
- if (mtlEncoder == nil)
- return;
-
- [mtlEncoder setVertexBytes:verts length:sizeof(verts) atIndex:MeshVertexBuffer];
- [mtlEncoder drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:0 vertexCount: PGRAM_VERTEX_COUNT];
- [mtlEncoder endEncoding];
-}
-
/**
* Note: Some of the methods in this file apply a "magic number"
* translation to line segments. The OpenGL specification lays out the
* "diamond exit rule" for line rasterization, but it is loose enough to
* allow for a wide range of line rendering hardware. (It appears that
@@ -144,11 +99,11 @@
id<MTLRenderCommandEncoder> mtlEncoder = [mtlc createRenderEncoderForDest:dest];
if (mtlEncoder == nil)
return;
const int verticesCount = 5;
- struct Vertex vertices[verticesCount] = {
+ struct Vertex vertices[5] = {
{{x, y, 0.0}},
{{x + w, y, 0.0}},
{{x + w, y + h, 0.0}},
{{x, y + h, 0.0}},
{{x, y, 0.0}},
@@ -258,13 +213,38 @@
}
void
MTLRenderer_FillRect(MTLContext *mtlc, BMTLSDOps * dstOps, jint x, jint y, jint w, jint h)
{
- //TODO
- J2dTraceNotImplPrimitive("MTLRenderer_FillRect");
J2dTraceLn(J2D_TRACE_INFO, "MTLRenderer_FillRect");
+
+ if (mtlc == NULL || dstOps == NULL || dstOps->pTexture == NULL) {
+ J2dRlsTraceLn(J2D_TRACE_ERROR, "MTLRenderer_FillRect: current dest is null");
+ return;
+ }
+
+ struct Vertex verts[PGRAM_VERTEX_COUNT] = {
+ { {x, y, 0.0}},
+ { {x, y+h, 0.0}},
+ { {x+w, y+h, 0.0}},
+ { {x+w, y+h, 0.0}},
+ { {x+w, y, 0.0}},
+ { {x, y, 0.0},
+ }};
+
+
+ id<MTLTexture> dest = dstOps->pTexture;
+ J2dTraceLn5(J2D_TRACE_INFO, "MTLRenderer_FillRect (x=%d y=%d w=%d h=%d), dst tex=%p", x, y, w, h, dest);
+
+ // Encode render command.
+ id<MTLRenderCommandEncoder> mtlEncoder = [mtlc createRenderEncoderForDest:dest];
+ if (mtlEncoder == nil)
+ return;
+
+ [mtlEncoder setVertexBytes:verts length:sizeof(verts) atIndex:MeshVertexBuffer];
+ [mtlEncoder drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:0 vertexCount: PGRAM_VERTEX_COUNT];
+ [mtlEncoder endEncoding];
}
const int SPAN_BUF_SIZE=64;
void
@@ -368,11 +348,10 @@
jfloat fx11, jfloat fy11,
jfloat dx21, jfloat dy21,
jfloat dx12, jfloat dy12,
jfloat lwr21, jfloat lwr12)
{
- //TODO
J2dTraceNotImplPrimitive("MTLRenderer_DrawParallelogram");
// dx,dy for line width in the "21" and "12" directions.
jfloat ldx21 = dx21 * lwr21;
jfloat ldy21 = dy21 * lwr21;
jfloat ldx12 = dx12 * lwr12;
@@ -389,12 +368,76 @@
"dx2=%6.2f dy2=%6.2f lwr2=%6.2f)",
fx11, fy11,
dx21, dy21, lwr21,
dx12, dy12, lwr12);
+
+ // Only need to generate 4 quads if the interior still
+ // has a hole in it (i.e. if the line width ratio was
+ // less than 1.0)
+ if (lwr21 < 1.0f && lwr12 < 1.0f) {
+
+ // Note: "TOP", "BOTTOM", "LEFT" and "RIGHT" here are
+ // relative to whether the dxNN variables are positive
+ // and negative. The math works fine regardless of
+ // their signs, but for conceptual simplicity the
+ // comments will refer to the sides as if the dxNN
+ // were all positive. "TOP" and "BOTTOM" segments
+ // are defined by the dxy21 deltas. "LEFT" and "RIGHT"
+ // segments are defined by the dxy12 deltas.
+
+ // Each segment includes its starting corner and comes
+ // to just short of the following corner. Thus, each
+ // corner is included just once and the only lengths
+ // needed are the original parallelogram delta lengths
+ // and the "line width deltas". The sides will cover
+ // the following relative territories:
+ //
+ // T T T T T R
+ // L R
+ // L R
+ // L R
+ // L R
+ // L B B B B B
+
+ // TOP segment, to left side of RIGHT edge
+ // "width" of original pgram, "height" of hor. line size
+ fx11 = ox11;
+ fy11 = oy11;
+ MTLRenderer_FillParallelogram(mtlc, dstOps, fx11, fy11, dx21, dy21, ldx12, ldy12);
+
+ // RIGHT segment, to top of BOTTOM edge
+ // "width" of vert. line size , "height" of original pgram
+ fx11 = ox11 + dx21;
+ fy11 = oy11 + dy21;
+ MTLRenderer_FillParallelogram(mtlc, dstOps, fx11, fy11, ldx21, ldy21, dx12, dy12);
+
+ // BOTTOM segment, from right side of LEFT edge
+ // "width" of original pgram, "height" of hor. line size
+ fx11 = ox11 + dx12 + ldx21;
+ fy11 = oy11 + dy12 + ldy21;
+ MTLRenderer_FillParallelogram(mtlc, dstOps, fx11, fy11, dx21, dy21, ldx12, ldy12);
+
+ // LEFT segment, from bottom of TOP edge
+ // "width" of vert. line size , "height" of inner pgram
+ fx11 = ox11 + ldx12;
+ fy11 = oy11 + ldy12;
+ MTLRenderer_FillParallelogram(mtlc, dstOps, fx11, fy11, ldx21, ldy21, dx12, dy12);
+ } else {
+ // The line width ratios were large enough to consume
+ // the entire hole in the middle of the parallelogram
+ // so we can just issue one large quad for the outer
+ // parallelogram.
+ dx21 += ldx21;
+ dy21 += ldy21;
+ dx12 += ldx12;
+ dy12 += ldy12;
+ MTLRenderer_FillParallelogram(mtlc, dstOps, ox11, oy11, dx21, dy21, dx12, dy12);
+ }
}
+
static GLhandleARB aaPgramProgram = 0;
/*
* This shader fills the space between an outer and inner parallelogram.
* It can be used to draw an outline by specifying both inner and outer
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