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gsdx-ogl: request texture barrier to emulate accurate date 

Actually it can partially be done with GL_ARB_shader_image_load_store
extension. However all drivers that support shader_image have
texture barrier too.
This commit is contained in:
Gregory Hainaut 2015-07-25 17:13:37 +02:00
parent 2901e94ebc
commit 25bd5f5e85
2 changed files with 6 additions and 6 deletions
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1
plugins/GSdx/GLLoader.cpp
View File

@ -507,6 +507,7 @@ namespace GLLoader {
if (!found_GL_ARB_texture_barrier) {
fprintf(stderr, "Error GL_ARB_texture_barrier is not supported by your driver. You can't emulate correctly the GS blending unit! Sorry!\n");
theApp.SetConfig("accurate_blending_unit", 0);
theApp.SetConfig("accurate_date", 0);
}
fprintf(stderr, "\n");

11
plugins/GSdx/GSRendererOGL.cpp
View File

@ -441,15 +441,16 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
// DATE: selection of the algorithm. Must be done before blending because GL42 is not compatible with blending
if (DATE) {
if (GLLoader::found_GL_ARB_texture_barrier && (m_prim_overlap == PRIM_OVERLAP_NO)) {
if (DATE && GLLoader::found_GL_ARB_texture_barrier) {
if (m_prim_overlap == PRIM_OVERLAP_NO) {
require_barrier = true;
DATE_GL45 = true;
DATE = false;
} else if (m_accurate_date && om_csel.wa
&& (!m_context->TEST.ATE || m_context->TEST.ATST == ATST_ALWAYS)) {
// texture barrier will split the draw call into n draw call. It is very efficient for
// few primitive draws. Otherwise it sucks.
if (GLLoader::found_GL_ARB_texture_barrier && (m_index.tail < 100)) {
if (m_index.tail < 100) {
require_barrier = true;
DATE_GL45 = true;
DATE = false;
@ -586,9 +587,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
// DATE (setup part)
if (DATE_GL45) {
gl_TextureBarrier();
} else if (DATE) {
if (DATE) {
GSVector4i dRect = ComputeBoundingBox(rtscale, rtsize);
// Reduce the quantity of clean function