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Fix some potential issues when blending on EFB formats without alpha.

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Clean up state transition tables.
This commit is contained in:
NeoBrainX
2013-01-13 23:35:07 +01:00
parent 0ebe35e0ef
commit 6870c1fdd5
5 changed files with 378 additions and 400 deletions
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118
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -132,58 +132,6 @@ const u32 EFB_CACHE_HEIGHT = (EFB_HEIGHT + EFB_CACHE_RECT_SIZE - 1) / EFB_CACHE_
static bool s_efbCacheValid[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT];
static std::vector<u32> s_efbCache[2][EFB_CACHE_WIDTH * EFB_CACHE_HEIGHT]; // 2 for PEEK_Z and PEEK_COLOR
static const GLenum glSrcFactors[8] =
{
GL_ZERO,
GL_ONE,
GL_DST_COLOR,
GL_ONE_MINUS_DST_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA, // NOTE: If dual-source blending is enabled, use SRC1_ALPHA
GL_DST_ALPHA,
GL_ONE_MINUS_DST_ALPHA
};
static const GLenum glDestFactors[8] = {
GL_ZERO,
GL_ONE,
GL_SRC_COLOR,
GL_ONE_MINUS_SRC_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA, // NOTE: If dual-source blending is enabled, use SRC1_ALPHA
GL_DST_ALPHA,
GL_ONE_MINUS_DST_ALPHA
};
static const GLenum glCmpFuncs[8] = {
GL_NEVER,
GL_LESS,
GL_EQUAL,
GL_LEQUAL,
GL_GREATER,
GL_NOTEQUAL,
GL_GEQUAL,
GL_ALWAYS
};
static const GLenum glLogicOpCodes[16] = {
GL_CLEAR,
GL_AND,
GL_AND_REVERSE,
GL_COPY,
GL_AND_INVERTED,
GL_NOOP,
GL_XOR,
GL_OR,
GL_NOR,
GL_EQUIV,
GL_INVERT,
GL_OR_REVERSE,
GL_COPY_INVERTED,
GL_OR_INVERTED,
GL_NAND,
GL_SET
};
#if defined HAVE_CG && HAVE_CG
void HandleCgError(CGcontext ctx, CGerror err, void* appdata)
@ -908,6 +856,32 @@ void Renderer::ReinterpretPixelData(unsigned int convtype)
void Renderer::SetBlendMode(bool forceUpdate)
{
// Our render target always uses an alpha channel, so we need to override the blend functions to assume a destination alpha of 1 if the render target isn't supposed to have an alpha channel
// Example: D3DBLEND_DESTALPHA needs to be D3DBLEND_ONE since the result without an alpha channel is assumed to always be 1.
bool target_has_alpha = bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
const GLenum glSrcFactors[8] =
{
GL_ZERO,
GL_ONE,
GL_DST_COLOR,
GL_ONE_MINUS_DST_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA, // NOTE: If dual-source blending is enabled, use SRC1_ALPHA
(target_has_alpha) ? GL_DST_ALPHA : (GLenum)GL_ONE,
(target_has_alpha) ? GL_ONE_MINUS_DST_ALPHA : (GLenum)GL_ZERO
};
const GLenum glDestFactors[8] =
{
GL_ZERO,
GL_ONE,
GL_SRC_COLOR,
GL_ONE_MINUS_SRC_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA, // NOTE: If dual-source blending is enabled, use SRC1_ALPHA
(target_has_alpha) ? GL_DST_ALPHA : (GLenum)GL_ONE,
(target_has_alpha) ? GL_ONE_MINUS_DST_ALPHA : (GLenum)GL_ZERO
};
// blend mode bit mask
// 0 - blend enable
// 2 - reverse subtract enable (else add)
@ -951,10 +925,10 @@ void Renderer::SetBlendMode(bool forceUpdate)
if (changes & 0x1F8)
{
#ifdef USE_DUAL_SOURCE_BLEND
GLenum srcFactor = glSrcFactors[(newval >> 3) & 7];
GLenum srcFactorAlpha = srcFactor;
GLenum dstFactor = glDestFactors[(newval >> 6) & 7];
#ifdef USE_DUAL_SOURCE_BLEND
GLenum srcFactorAlpha = srcFactor;
GLenum dstFactorAlpha = dstFactor;
if (useDualSource)
{
@ -975,7 +949,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
// blend RGB change
glBlendFuncSeparate(srcFactor, dstFactor, srcFactorAlpha, dstFactorAlpha);
#else
glBlendFunc(glSrcFactors[(newval >> 3) & 7], glDestFactors[(newval >> 6) & 7]);
glBlendFunc(srcFactor, dstFactor);
#endif
}
@ -1438,6 +1412,18 @@ void Renderer::SetGenerationMode()
void Renderer::SetDepthMode()
{
const GLenum glCmpFuncs[8] =
{
GL_NEVER,
GL_LESS,
GL_EQUAL,
GL_LEQUAL,
GL_GREATER,
GL_NOTEQUAL,
GL_GEQUAL,
GL_ALWAYS
};
if (bpmem.zmode.testenable)
{
glEnable(GL_DEPTH_TEST);
@ -1454,7 +1440,27 @@ void Renderer::SetDepthMode()
void Renderer::SetLogicOpMode()
{
if (bpmem.blendmode.logicopenable && bpmem.blendmode.logicmode != 3)
const GLenum glLogicOpCodes[16] =
{
GL_CLEAR,
GL_AND,
GL_AND_REVERSE,
GL_COPY,
GL_AND_INVERTED,
GL_NOOP,
GL_XOR,
GL_OR,
GL_NOR,
GL_EQUIV,
GL_INVERT,
GL_OR_REVERSE,
GL_COPY_INVERTED,
GL_OR_INVERTED,
GL_NAND,
GL_SET
};
if (bpmem.blendmode.logicopenable)
{
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(glLogicOpCodes[bpmem.blendmode.logicmode]);