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GBA Video: Fix sprite layer priority updating in GL

This commit is contained in:
Vicki Pfau 2022-06-28 02:23:39 -07:00
parent 2969a8bf7a
commit 1bf1a97023
2 changed files with 3 additions and 2 deletions
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1
CHANGES
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@ -47,6 +47,7 @@ Emulation fixes:
- GBA Video: Fix sprites with mid-frame palette changes in GL (fixes mgba.io/i/2476)
- GBA Video: Fix OBJ tile wrapping with 2D char mapping (fixes mgba.io/i/2443)
- GBA Video: Fix horizontal lines in GL when charbase is changed (fixes mgba.io/i/1631)
- GBA Video: Fix sprite layer priority updating in GL
Other fixes:
- ARM: Disassemble Thumb mov pseudo-instruction properly
- Core: Don't attempt to restore rewind diffs past start of rewind

4
src/gba/renderers/gl.c
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@ -1802,9 +1802,9 @@ void GBAVideoGLRendererDrawSprite(struct GBAVideoGLRenderer* renderer, struct GB
glUniformMatrix2fv(uniforms[GBA_GL_OBJ_TRANSFORM], 1, GL_FALSE, (GLfloat[]) { flipX, 0, 0, flipY });
}
glUniform4i(uniforms[GBA_GL_OBJ_DIMS], width, height, totalWidth, totalHeight);
glDisable(GL_STENCIL_TEST);
if (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_OBJWIN) {
// OBJWIN writes do not affect pixel priority
glDisable(GL_STENCIL_TEST);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glStencilMask(0);
@ -1812,6 +1812,7 @@ void GBAVideoGLRendererDrawSprite(struct GBAVideoGLRenderer* renderer, struct GB
glUniform3i(uniforms[GBA_GL_OBJ_OBJWIN], window, renderer->bldb, renderer->bldy);
glDrawBuffers(3, (GLenum[]) { GL_NONE, GL_NONE, GL_COLOR_ATTACHMENT2 });
} else {
glEnable(GL_STENCIL_TEST);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glStencilMask(1);
@ -1836,7 +1837,6 @@ void GBAVideoGLRendererDrawSprite(struct GBAVideoGLRenderer* renderer, struct GB
// Update the pixel priority for already-written pixels
shader = &renderer->objShader[2];
uniforms = shader->uniforms;
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_EQUAL, 1, 1);
glUseProgram(shader->program);
glDrawBuffers(2, (GLenum[]) { GL_NONE, GL_COLOR_ATTACHMENT1 });