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JBR-2591 Repainting is broken (was: Icons in tree list widgets became dark)

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Save current blend mode before cached grayscale rendering

(cherry picked from commit 7beb75ccec)
(cherry picked from commit ed52fde57d)
This commit is contained in:
Alexey Ushakov
2020-07-22 13:21:42 +03:00
committed by alexey.ushakov@jetbrains.com
parent 6981197a6e
commit ef9ef1bc3d
1 changed files with 15 additions and 7 deletions
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22
src/java.desktop/share/native/common/java2d/opengl/OGLTextRenderer.c
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@@ -68,6 +68,13 @@ typedef enum {
} GlyphMode;
static GlyphMode glyphMode = MODE_NOT_INITED;
/**
* Current blending modes saved in OGLTR_EnableGrayGlyphModeState and restored in
* OGLTR_DisableGlyphModeState
*/
static GLint currentBlendSrc;
static GLint currentBlendDst;
/**
* There are two separate glyph caches: for AA and for LCD.
* Once one of them is initialized as either GRAY or LCD, it
@@ -575,8 +582,7 @@ OGLTR_EnableLCDGlyphModeState(GLuint glyphTextureID,
return JNI_TRUE;
}
/**
* Enables the GrayScale text shader and updates any related state, such as the
* gamma lookup table textures.
* Enables the GrayScale text shader and updates any related states
*/
static jboolean
OGLTR_EnableGrayGlyphModeState(GLuint glyphTextureID, jint contrast)
@@ -586,6 +592,9 @@ OGLTR_EnableGrayGlyphModeState(GLuint glyphTextureID, jint contrast)
j2d_glBindTexture(GL_TEXTURE_2D, glyphTextureID);
j2d_glEnable(GL_TEXTURE_2D);
j2d_glEnable(GL_BLEND);
j2d_glGetIntegerv(GL_BLEND_SRC_ALPHA, &currentBlendSrc);
j2d_glGetIntegerv(GL_BLEND_DST_ALPHA, &currentBlendDst);
j2d_glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// create the Gray text shader, if necessary
@@ -668,11 +677,6 @@ OGLTR_DisableGlyphModeState()
j2d_glDisable(GL_TEXTURE_2D);
break;
case MODE_NO_CACHE_COLOR:
case MODE_NO_CACHE_GRAY:
j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
/* FALLTHROUGH */
case MODE_USE_CACHE_GRAY:
OGLVertexCache_FlushVertexCache();
j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
@@ -680,7 +684,11 @@ OGLTR_DisableGlyphModeState()
j2d_glUseProgramObjectARB(0);
j2d_glActiveTextureARB(GL_TEXTURE0_ARB);
j2d_glDisable(GL_TEXTURE_2D);
j2d_glBlendFunc(currentBlendSrc, currentBlendDst);
break;
case MODE_NO_CACHE_COLOR:
case MODE_NO_CACHE_GRAY:
/* FALLTHROUGH */
case MODE_NOT_INITED:
default:
break;