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Restored SDL_BLENDMODE_MOD for MAME
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slouken committed Feb 5, 2011
1 parent 0f03354 commit f1efafc
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Showing 21 changed files with 1,187 additions and 156 deletions.
1 change: 1 addition & 0 deletions include/SDL_blendmode.h
Expand Up @@ -45,6 +45,7 @@ typedef enum
SDL_BLENDMODE_NONE = 0x00000000, /**< No blending */
SDL_BLENDMODE_BLEND = 0x00000001, /**< dst = (src * A) + (dst * (1-A)) */
SDL_BLENDMODE_ADD = 0x00000002, /**< dst = (src * A) + dst */
SDL_BLENDMODE_MOD = 0x00000004 /**< dst = src * dst */
} SDL_BlendMode;

/* Ends C function definitions when using C++ */
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8 changes: 8 additions & 0 deletions src/render/direct3d/SDL_d3drender.c
Expand Up @@ -625,6 +625,14 @@ D3D_SetBlendMode(D3D_RenderData * data, int blendMode)
IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
D3DBLEND_ONE);
break;
case SDL_BLENDMODE_MOD:
IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
TRUE);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
D3DBLEND_ZERO);
IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
D3DBLEND_SRCCOLOR);
break;
}
}

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5 changes: 5 additions & 0 deletions src/render/opengl/SDL_renderer_gl.c
Expand Up @@ -529,6 +529,11 @@ GL_SetBlendMode(GL_RenderData * data, int blendMode)
data->glEnable(GL_BLEND);
data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
break;
case SDL_BLENDMODE_MOD:
data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
data->glEnable(GL_BLEND);
data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
break;
}
data->blendMode = blendMode;
}
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5 changes: 5 additions & 0 deletions src/render/opengles/SDL_renderer_gles.c
Expand Up @@ -495,6 +495,11 @@ GLES_SetBlendMode(GLES_RenderData * data, int blendMode)
data->glEnable(GL_BLEND);
data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
break;
case SDL_BLENDMODE_MOD:
data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
data->glEnable(GL_BLEND);
data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
break;
}
data->blendMode = blendMode;
}
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21 changes: 21 additions & 0 deletions src/render/software/SDL_blendfillrect.c
Expand Up @@ -38,6 +38,9 @@ SDL_BlendFillRect_RGB555(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB555);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB555);
break;
default:
FILLRECT(Uint16, DRAW_SETPIXEL_RGB555);
break;
Expand All @@ -58,6 +61,9 @@ SDL_BlendFillRect_RGB565(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB565);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB565);
break;
default:
FILLRECT(Uint16, DRAW_SETPIXEL_RGB565);
break;
Expand All @@ -78,6 +84,9 @@ SDL_BlendFillRect_RGB888(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB888);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB888);
break;
default:
FILLRECT(Uint32, DRAW_SETPIXEL_RGB888);
break;
Expand All @@ -98,6 +107,9 @@ SDL_BlendFillRect_ARGB8888(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint32, DRAW_SETPIXEL_ADD_ARGB8888);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint32, DRAW_SETPIXEL_MOD_ARGB8888);
break;
default:
FILLRECT(Uint32, DRAW_SETPIXEL_ARGB8888);
break;
Expand All @@ -121,6 +133,9 @@ SDL_BlendFillRect_RGB(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB);
break;
default:
FILLRECT(Uint16, DRAW_SETPIXEL_RGB);
break;
Expand All @@ -134,6 +149,9 @@ SDL_BlendFillRect_RGB(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB);
break;
default:
FILLRECT(Uint32, DRAW_SETPIXEL_RGB);
break;
Expand Down Expand Up @@ -161,6 +179,9 @@ SDL_BlendFillRect_RGBA(SDL_Surface * dst, const SDL_Rect * rect,
case SDL_BLENDMODE_ADD:
FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGBA);
break;
case SDL_BLENDMODE_MOD:
FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGBA);
break;
default:
FILLRECT(Uint32, DRAW_SETPIXEL_RGBA);
break;
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