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GBA Video: Fix OBJWIN in GL renderer

This commit is contained in:
Vicki Pfau 2019-05-18 10:38:23 -07:00
parent 71b6066d4f
commit 91cd47ee0e
1 changed files with 6 additions and 5 deletions
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11
src/gba/renderers/gl.c
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@ -250,10 +250,10 @@ static const char* const _renderObj =
"uniform ivec4 inflags;\n"
"uniform mat2x2 transform;\n"
"uniform ivec4 dims;\n"
"uniform vec3 objwin;\n"
"uniform vec4 objwin;\n"
"out vec4 color;\n"
"out vec4 flags;\n"
"out vec2 window;\n"
"out vec3 window;\n"
"const vec4 flagCoeff = vec4(32., 32., 16., 16.);\n"
"vec4 renderTile(int tile, int paletteId, ivec2 localCoord);\n"
@ -269,7 +269,7 @@ static const char* const _renderObj =
" }\n"
" color = pix;\n"
" flags = inflags / flagCoeff;\n"
" window = objwin.yz;\n"
" window = objwin.yzw;\n"
"}";
static const struct GBAVideoGLUniform _uniformsFinalize[] = {
@ -462,6 +462,7 @@ void GBAVideoGLRendererInit(struct GBAVideoRenderer* renderer) {
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_OBJ]);
_initFramebufferTexture(glRenderer->layers[GBA_GL_TEX_OBJ_COLOR], GL_RGBA, GL_COLOR_ATTACHMENT0, glRenderer->scale);
_initFramebufferTexture(glRenderer->layers[GBA_GL_TEX_OBJ_FLAGS], GL_RGBA, GL_COLOR_ATTACHMENT1, glRenderer->scale);
_initFramebufferTexture(glRenderer->layers[GBA_GL_TEX_WINDOW], GL_RGBA, GL_COLOR_ATTACHMENT2, glRenderer->scale);
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_WINDOW]);
_initFramebufferTexture(glRenderer->layers[GBA_GL_TEX_WINDOW], GL_RGB, GL_COLOR_ATTACHMENT0, glRenderer->scale);
@ -1152,10 +1153,10 @@ void GBAVideoGLRendererDrawSprite(struct GBAVideoGLRenderer* renderer, struct GB
glUniform4i(uniforms[GBA_GL_OBJ_DIMS], width, height, totalWidth, totalHeight);
if (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_OBJWIN) {
int window = ~renderer->objwin & 0xFF;
glUniform3f(uniforms[GBA_GL_OBJ_OBJWIN], 1, (window & 0xF) / 32.f, (window >> 4) / 32.f);
glUniform4f(uniforms[GBA_GL_OBJ_OBJWIN], 1, (window & 0xF) / 32.f, (window >> 4) / 32.f, renderer->bldy / 16.f);
glDrawBuffers(3, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2 });
} else {
glUniform3f(uniforms[GBA_GL_OBJ_OBJWIN], 0, 0, 0);
glUniform4f(uniforms[GBA_GL_OBJ_OBJWIN], 0, 0, 0, 0);
glDrawBuffers(2, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 });
}
glEnableVertexAttribArray(0);