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Avoid forcing nearest/disabling linear if possible.

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If we know that the test is trivially true, we don't need to worry about
the test.  May help #4405.
This commit is contained in:
Unknown W. Brackets 2014-05-15 22:38:44 -07:00
parent 6fcf25b399
commit 99458d7797
3 changed files with 17 additions and 8 deletions
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4
GPU/GLES/FragmentShaderGenerator.cpp
View File

@ -52,7 +52,7 @@ const bool safeDestFactors[16] = {
true, //GE_DSTBLEND_FIXB,
};
static bool IsAlphaTestTriviallyTrue() {
bool IsAlphaTestTriviallyTrue() {
switch (gstate.getAlphaTestFunction()) {
case GE_COMP_NEVER:
return false;
@ -215,7 +215,7 @@ StencilValueType ReplaceAlphaWithStencilType() {
return STENCIL_VALUE_UNKNOWN;
}
static bool IsColorTestTriviallyTrue() {
bool IsColorTestTriviallyTrue() {
switch (gstate.getColorTestFunction()) {
case GE_COMP_NEVER:
return false;

2
GPU/GLES/FragmentShaderGenerator.h
View File

@ -58,6 +58,8 @@ enum ReplaceAlphaType {
REPLACE_ALPHA_DUALSOURCE = 2,
};
bool IsAlphaTestTriviallyTrue();
bool IsColorTestTriviallyTrue();
StencilValueType ReplaceAlphaWithStencilType();
ReplaceAlphaType ReplaceAlphaWithStencil();

19
GPU/GLES/TextureCache.cpp
View File

@ -26,6 +26,7 @@
#include "GPU/GPUState.h"
#include "GPU/GLES/TextureCache.h"
#include "GPU/GLES/Framebuffer.h"
#include "GPU/GLES/FragmentShaderGenerator.h"
#include "GPU/Common/TextureDecoder.h"
#include "Core/Config.h"
#include "Core/Host.h"
@ -521,12 +522,18 @@ void TextureCache::UpdateSamplingParams(TexCacheEntry &entry, bool force) {
}
}
if ((g_Config.iTexFiltering == LINEAR && !gstate.isColorTestEnabled() && !gstate.isAlphaTestEnabled()) || (g_Config.iTexFiltering == LINEARFMV && g_iNumVideos)) {
if (g_Config.iTexFiltering == LINEARFMV && g_iNumVideos > 0 && (entry.dim & 0xF) >= 9) {
magFilt |= 1;
minFilt |= 1;
}
if (g_Config.iTexFiltering == LINEAR && (!gstate.isColorTestEnabled() || IsColorTestTriviallyTrue())) {
if (!gstate.isAlphaTestEnabled() || IsAlphaTestTriviallyTrue()) {
magFilt |= 1;
minFilt |= 1;
}
}
// Force Nearest when color test enabled and rendering resolution greater than 480x272
if (g_Config.iTexFiltering == NEAREST || (gstate.isColorTestEnabled() && g_Config.iInternalResolution != 1 && gstate.isModeThrough())) {
if (g_Config.iTexFiltering == NEAREST || ((gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue()) && g_Config.iInternalResolution != 1 && gstate.isModeThrough())) {
magFilt &= ~1;
minFilt &= ~1;
}
@ -878,12 +885,12 @@ void TextureCache::SetTextureFramebuffer(TexCacheEntry *entry) {
entry->framebuffer->last_frame_used = gpuStats.numFlips;
// We need to force it, since we may have set it on a texture before attaching.
UpdateSamplingParams(*entry, true);
gstate_c.curTextureWidth = entry->framebuffer->width;
gstate_c.curTextureHeight = entry->framebuffer->height;
gstate_c.flipTexture = true;
gstate_c.textureFullAlpha = entry->framebuffer->format == GE_FORMAT_565;
gstate_c.textureSimpleAlpha = false;
UpdateSamplingParams(*entry, true);
} else {
if (entry->framebuffer->fbo)
entry->framebuffer->fbo = 0;
@ -1296,15 +1303,15 @@ void TextureCache::SetTexture(bool force) {
float anisotropyLevel = (float) aniso > maxAnisotropyLevel ? maxAnisotropyLevel : (float) aniso;
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropyLevel);
gstate_c.textureFullAlpha = entry->GetAlphaStatus() == TexCacheEntry::STATUS_ALPHA_FULL;
gstate_c.textureSimpleAlpha = entry->GetAlphaStatus() != TexCacheEntry::STATUS_ALPHA_UNKNOWN;
UpdateSamplingParams(*entry, true);
//glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//glPixelStorei(GL_PACK_ROW_LENGTH, 0);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
gstate_c.textureFullAlpha = entry->GetAlphaStatus() == TexCacheEntry::STATUS_ALPHA_FULL;
gstate_c.textureSimpleAlpha = entry->GetAlphaStatus() != TexCacheEntry::STATUS_ALPHA_UNKNOWN;
}
GLenum TextureCache::GetDestFormat(GETextureFormat format, GEPaletteFormat clutFormat) const {