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GBA Video: More GL ES fixes

This commit is contained in:
Vicki Pfau 2019-05-25 23:22:16 -07:00
parent f455650f0d
commit f5fb96f256
2 changed files with 26 additions and 12 deletions
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1
include/mgba/internal/gba/renderers/gl.h
View File

@ -76,6 +76,7 @@ enum {
enum {
GBA_GL_TEX_OBJ_COLOR = 0,
GBA_GL_TEX_OBJ_FLAGS,
GBA_GL_TEX_OBJ_DEPTH,
GBA_GL_TEX_BACKDROP_COLOR,
GBA_GL_TEX_BACKDROP_FLAGS,
GBA_GL_TEX_WINDOW,

37
src/gba/renderers/gl.c
View File

@ -58,7 +58,8 @@ static const GLchar* const _gles3Header =
"#version 300 es\n"
"#define OUT(n) layout(location = n)\n"
"precision highp float;\n"
"precision highp int;\n";
"precision highp int;\n"
"precision highp isampler2D;\n";
static const GLchar* const _gl3Header =
"#version 130\n"
@ -496,6 +497,7 @@ static const char* const _renderObj =
" }\n"
" color = pix;\n"
" flags = vec4(inflags) / flagCoeff;\n"
" gl_FragDepth = flags.x;\n"
" window = objwin.yzw;\n"
"}";
@ -657,16 +659,20 @@ static void _deleteShader(struct GBAVideoGLShader* shader) {
glDeleteVertexArrays(1, &shader->vao);
}
static void _initFramebufferTexture(GLuint tex, GLenum format, GLenum attachment, int scale) {
static void _initFramebufferTextureEx(GLuint tex, GLenum internalFormat, GLenum format, GLenum type, GLenum attachment, int scale) {
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, format, scale > 0 ? GBA_VIDEO_HORIZONTAL_PIXELS * scale : 1, GBA_VIDEO_VERTICAL_PIXELS * (scale > 0 ? scale : 1), 0, format, GL_UNSIGNED_BYTE, 0);
glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, scale > 0 ? GBA_VIDEO_HORIZONTAL_PIXELS * scale : 1, GBA_VIDEO_VERTICAL_PIXELS * (scale > 0 ? scale : 1), 0, format, type, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, tex, 0);
}
static void _initFramebufferTexture(GLuint tex, GLenum format, GLenum attachment, int scale) {
_initFramebufferTextureEx(tex, format, format, GL_UNSIGNED_BYTE, attachment, scale);
}
void GBAVideoGLRendererInit(struct GBAVideoRenderer* renderer) {
struct GBAVideoGLRenderer* glRenderer = (struct GBAVideoGLRenderer*) renderer;
glRenderer->temporaryBuffer = NULL;
@ -702,6 +708,7 @@ void GBAVideoGLRendererInit(struct GBAVideoRenderer* renderer) {
_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);
_initFramebufferTextureEx(glRenderer->layers[GBA_GL_TEX_OBJ_DEPTH], GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_DEPTH_ATTACHMENT, glRenderer->scale);
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_BACKDROP]);
_initFramebufferTexture(glRenderer->layers[GBA_GL_TEX_BACKDROP_COLOR], GL_RGB, GL_COLOR_ATTACHMENT0, 0);
@ -1305,11 +1312,16 @@ void GBAVideoGLRendererDrawScanline(struct GBAVideoRenderer* renderer, int y) {
memcpy(&glRenderer->winN[0].h[1], &glRenderer->winN[0].h[0], sizeof(struct GBAVideoWindowRegion));
memcpy(&glRenderer->winN[1].h[1], &glRenderer->winN[1].h[0], sizeof(struct GBAVideoWindowRegion));
glDisable(GL_SCISSOR_TEST);
glDisable(GL_SCISSOR_TEST);
glClearColor(0, 0, 0, 0);
#ifdef BUILD_GLES3
glClearDepthf(1.f);
#else
glClearDepth(1);
#endif
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_OBJ]);
glDrawBuffers(2, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 });
glClear(GL_COLOR_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (i = 0; i < 4; ++i) {
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->bg[i].fbo);
@ -1339,18 +1351,17 @@ void _drawScanlines(struct GBAVideoGLRenderer* glRenderer, int y) {
glViewport(0, 0, 1, GBA_VIDEO_VERTICAL_PIXELS);
glScissor(0, glRenderer->firstY, 1, y - glRenderer->firstY + 1);
glBindFramebuffer(GL_FRAMEBUFFER, glRenderer->fbo[GBA_GL_FBO_BACKDROP]);
glDrawBuffers(1, (GLenum[]) { GL_COLOR_ATTACHMENT0 });
glClearColor(((backdrop >> 16) & 0xFF) / 256., ((backdrop >> 8) & 0xFF) / 256., (backdrop & 0xFF) / 256., 0.f);
glClear(GL_COLOR_BUFFER_BIT);
glDrawBuffers(1, (GLenum[]) { GL_COLOR_ATTACHMENT1 });
glClearColor(1, (glRenderer->target1Bd | (glRenderer->target2Bd * 2) | (glRenderer->blendEffect * 4)) / 32.f, glRenderer->blda / 16.f, 0);
glClear(GL_COLOR_BUFFER_BIT);
glDrawBuffers(2, (GLenum[]) { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 });
glClearBufferfv(GL_COLOR, 0, (GLfloat[]) { ((backdrop >> 16) & 0xFF) / 256., ((backdrop >> 8) & 0xFF) / 256., (backdrop & 0xFF) / 256., 0.f });
glClearBufferfv(GL_COLOR, 1, (GLfloat[]) { 1.f, (glRenderer->target1Bd | (glRenderer->target2Bd * 2) | (glRenderer->blendEffect * 4)) / 32.f, glRenderer->blda / 16.f, 0.f });
glDrawBuffers(1, (GLenum[]) { GL_COLOR_ATTACHMENT0 });
GBAVideoGLRendererDrawWindow(glRenderer, y);
if (GBARegisterDISPCNTIsObjEnable(glRenderer->dispcnt) && !glRenderer->d.disableOBJ) {
int i;
for (i = glRenderer->oamMax; i--;) {
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
for (i = 0; i < glRenderer->oamMax; ++i) {
struct GBAVideoRendererSprite* sprite = &glRenderer->sprites[i];
if ((y < sprite->y && (sprite->endY - 256 < 0 || glRenderer->firstY >= sprite->endY - 256)) || glRenderer->firstY >= sprite->endY) {
continue;
@ -1358,6 +1369,7 @@ void _drawScanlines(struct GBAVideoGLRenderer* glRenderer, int y) {
GBAVideoGLRendererDrawSprite(glRenderer, &sprite->obj, y, sprite->y);
}
glDisable(GL_DEPTH_TEST);
}
if (TEST_LAYER_ENABLED(0) && GBARegisterDISPCNTGetMode(glRenderer->dispcnt) < 2) {
@ -1403,6 +1415,7 @@ void GBAVideoGLRendererFinishFrame(struct GBAVideoRenderer* renderer) {
struct GBAVideoGLRenderer* glRenderer = (struct GBAVideoGLRenderer*) renderer;
_drawScanlines(glRenderer, GBA_VIDEO_VERTICAL_PIXELS - 1);
_finalizeLayers(glRenderer);
glDisable(GL_SCISSOR_TEST);
glBindVertexArray(0);
glRenderer->firstAffine = -1;
glRenderer->firstY = -1;