mirror of
https://github.com/ioquake/ioq3.git
synced 2024-11-10 07:11:46 +00:00
819e9830d8
Fix crash when scrolling using touchpad on macOS 10.6 (I fixed it in SDL 2.0.18) and fix failing to start on x86 due to ioq3 SDL dylib having absolute path instead of "@executable_path/libSDL2-2.0.0.dylib". SDL 2.24.0 removed macOS 10.6 support (last with x86). Offically at least, they also dropped x86_64 on macOS 10.7 and 10.8. So ioq3 UB1 is limited to SDL 2.0.22. - Update x86 and x86_64 to SDL 2.0.22. Compiled with 10.13 SDK as 10.14 SDK dropped running on older than macOS 10.9 and I ran "strip -x" on the libraries. Ad-hoc signed with PyOxidizer rcodesign. - PPC is still MAN-AT-ARMS' SDL 2.0.1 build but I ran "strip -x" on it to reduce the file size. - ARM64 build was removed from UB1 as UB2 with SDL 2.24.0 should be used instead.
198 lines
8.8 KiB
C
198 lines
8.8 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/**
|
|
* \file SDL_blendmode.h
|
|
*
|
|
* Header file declaring the SDL_BlendMode enumeration
|
|
*/
|
|
|
|
#ifndef SDL_blendmode_h_
|
|
#define SDL_blendmode_h_
|
|
|
|
#include "begin_code.h"
|
|
/* Set up for C function definitions, even when using C++ */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* \brief The blend mode used in SDL_RenderCopy() and drawing operations.
|
|
*/
|
|
typedef enum
|
|
{
|
|
SDL_BLENDMODE_NONE = 0x00000000, /**< no blending
|
|
dstRGBA = srcRGBA */
|
|
SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending
|
|
dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
|
|
dstA = srcA + (dstA * (1-srcA)) */
|
|
SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending
|
|
dstRGB = (srcRGB * srcA) + dstRGB
|
|
dstA = dstA */
|
|
SDL_BLENDMODE_MOD = 0x00000004, /**< color modulate
|
|
dstRGB = srcRGB * dstRGB
|
|
dstA = dstA */
|
|
SDL_BLENDMODE_MUL = 0x00000008, /**< color multiply
|
|
dstRGB = (srcRGB * dstRGB) + (dstRGB * (1-srcA))
|
|
dstA = (srcA * dstA) + (dstA * (1-srcA)) */
|
|
SDL_BLENDMODE_INVALID = 0x7FFFFFFF
|
|
|
|
/* Additional custom blend modes can be returned by SDL_ComposeCustomBlendMode() */
|
|
|
|
} SDL_BlendMode;
|
|
|
|
/**
|
|
* \brief The blend operation used when combining source and destination pixel components
|
|
*/
|
|
typedef enum
|
|
{
|
|
SDL_BLENDOPERATION_ADD = 0x1, /**< dst + src: supported by all renderers */
|
|
SDL_BLENDOPERATION_SUBTRACT = 0x2, /**< dst - src : supported by D3D9, D3D11, OpenGL, OpenGLES */
|
|
SDL_BLENDOPERATION_REV_SUBTRACT = 0x3, /**< src - dst : supported by D3D9, D3D11, OpenGL, OpenGLES */
|
|
SDL_BLENDOPERATION_MINIMUM = 0x4, /**< min(dst, src) : supported by D3D9, D3D11 */
|
|
SDL_BLENDOPERATION_MAXIMUM = 0x5 /**< max(dst, src) : supported by D3D9, D3D11 */
|
|
} SDL_BlendOperation;
|
|
|
|
/**
|
|
* \brief The normalized factor used to multiply pixel components
|
|
*/
|
|
typedef enum
|
|
{
|
|
SDL_BLENDFACTOR_ZERO = 0x1, /**< 0, 0, 0, 0 */
|
|
SDL_BLENDFACTOR_ONE = 0x2, /**< 1, 1, 1, 1 */
|
|
SDL_BLENDFACTOR_SRC_COLOR = 0x3, /**< srcR, srcG, srcB, srcA */
|
|
SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR = 0x4, /**< 1-srcR, 1-srcG, 1-srcB, 1-srcA */
|
|
SDL_BLENDFACTOR_SRC_ALPHA = 0x5, /**< srcA, srcA, srcA, srcA */
|
|
SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA = 0x6, /**< 1-srcA, 1-srcA, 1-srcA, 1-srcA */
|
|
SDL_BLENDFACTOR_DST_COLOR = 0x7, /**< dstR, dstG, dstB, dstA */
|
|
SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR = 0x8, /**< 1-dstR, 1-dstG, 1-dstB, 1-dstA */
|
|
SDL_BLENDFACTOR_DST_ALPHA = 0x9, /**< dstA, dstA, dstA, dstA */
|
|
SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA = 0xA /**< 1-dstA, 1-dstA, 1-dstA, 1-dstA */
|
|
} SDL_BlendFactor;
|
|
|
|
/**
|
|
* Compose a custom blend mode for renderers.
|
|
*
|
|
* The functions SDL_SetRenderDrawBlendMode and SDL_SetTextureBlendMode accept
|
|
* the SDL_BlendMode returned by this function if the renderer supports it.
|
|
*
|
|
* A blend mode controls how the pixels from a drawing operation (source) get
|
|
* combined with the pixels from the render target (destination). First, the
|
|
* components of the source and destination pixels get multiplied with their
|
|
* blend factors. Then, the blend operation takes the two products and
|
|
* calculates the result that will get stored in the render target.
|
|
*
|
|
* Expressed in pseudocode, it would look like this:
|
|
*
|
|
* ```c
|
|
* dstRGB = colorOperation(srcRGB * srcColorFactor, dstRGB * dstColorFactor);
|
|
* dstA = alphaOperation(srcA * srcAlphaFactor, dstA * dstAlphaFactor);
|
|
* ```
|
|
*
|
|
* Where the functions `colorOperation(src, dst)` and `alphaOperation(src,
|
|
* dst)` can return one of the following:
|
|
*
|
|
* - `src + dst`
|
|
* - `src - dst`
|
|
* - `dst - src`
|
|
* - `min(src, dst)`
|
|
* - `max(src, dst)`
|
|
*
|
|
* The red, green, and blue components are always multiplied with the first,
|
|
* second, and third components of the SDL_BlendFactor, respectively. The
|
|
* fourth component is not used.
|
|
*
|
|
* The alpha component is always multiplied with the fourth component of the
|
|
* SDL_BlendFactor. The other components are not used in the alpha
|
|
* calculation.
|
|
*
|
|
* Support for these blend modes varies for each renderer. To check if a
|
|
* specific SDL_BlendMode is supported, create a renderer and pass it to
|
|
* either SDL_SetRenderDrawBlendMode or SDL_SetTextureBlendMode. They will
|
|
* return with an error if the blend mode is not supported.
|
|
*
|
|
* This list describes the support of custom blend modes for each renderer in
|
|
* SDL 2.0.6. All renderers support the four blend modes listed in the
|
|
* SDL_BlendMode enumeration.
|
|
*
|
|
* - **direct3d**: Supports all operations with all factors. However, some
|
|
* factors produce unexpected results with `SDL_BLENDOPERATION_MINIMUM` and
|
|
* `SDL_BLENDOPERATION_MAXIMUM`.
|
|
* - **direct3d11**: Same as Direct3D 9.
|
|
* - **opengl**: Supports the `SDL_BLENDOPERATION_ADD` operation with all
|
|
* factors. OpenGL versions 1.1, 1.2, and 1.3 do not work correctly with SDL
|
|
* 2.0.6.
|
|
* - **opengles**: Supports the `SDL_BLENDOPERATION_ADD` operation with all
|
|
* factors. Color and alpha factors need to be the same. OpenGL ES 1
|
|
* implementation specific: May also support `SDL_BLENDOPERATION_SUBTRACT`
|
|
* and `SDL_BLENDOPERATION_REV_SUBTRACT`. May support color and alpha
|
|
* operations being different from each other. May support color and alpha
|
|
* factors being different from each other.
|
|
* - **opengles2**: Supports the `SDL_BLENDOPERATION_ADD`,
|
|
* `SDL_BLENDOPERATION_SUBTRACT`, `SDL_BLENDOPERATION_REV_SUBTRACT`
|
|
* operations with all factors.
|
|
* - **psp**: No custom blend mode support.
|
|
* - **software**: No custom blend mode support.
|
|
*
|
|
* Some renderers do not provide an alpha component for the default render
|
|
* target. The `SDL_BLENDFACTOR_DST_ALPHA` and
|
|
* `SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA` factors do not have an effect in this
|
|
* case.
|
|
*
|
|
* \param srcColorFactor the SDL_BlendFactor applied to the red, green, and
|
|
* blue components of the source pixels
|
|
* \param dstColorFactor the SDL_BlendFactor applied to the red, green, and
|
|
* blue components of the destination pixels
|
|
* \param colorOperation the SDL_BlendOperation used to combine the red,
|
|
* green, and blue components of the source and
|
|
* destination pixels
|
|
* \param srcAlphaFactor the SDL_BlendFactor applied to the alpha component of
|
|
* the source pixels
|
|
* \param dstAlphaFactor the SDL_BlendFactor applied to the alpha component of
|
|
* the destination pixels
|
|
* \param alphaOperation the SDL_BlendOperation used to combine the alpha
|
|
* component of the source and destination pixels
|
|
* \returns an SDL_BlendMode that represents the chosen factors and
|
|
* operations.
|
|
*
|
|
* \since This function is available since SDL 2.0.6.
|
|
*
|
|
* \sa SDL_SetRenderDrawBlendMode
|
|
* \sa SDL_GetRenderDrawBlendMode
|
|
* \sa SDL_SetTextureBlendMode
|
|
* \sa SDL_GetTextureBlendMode
|
|
*/
|
|
extern DECLSPEC SDL_BlendMode SDLCALL SDL_ComposeCustomBlendMode(SDL_BlendFactor srcColorFactor,
|
|
SDL_BlendFactor dstColorFactor,
|
|
SDL_BlendOperation colorOperation,
|
|
SDL_BlendFactor srcAlphaFactor,
|
|
SDL_BlendFactor dstAlphaFactor,
|
|
SDL_BlendOperation alphaOperation);
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* SDL_blendmode_h_ */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|