mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-10-17 16:30:30 +02:00
Henrik RydgårdandClaude Opus 5.5
168149e3f2
With the default -1..1, window depth 0 comes from z = -w, where the rasterizer's rounding is an ulp of 1.0. Puyo Puyo Fever 2's ground at z = 0 got depths just above 0 with depth clamp on, and the sprites on it that test GEQUAL lost pixels (910 px off the PSP on an Adreno 840, now 0). Use glClipControl (GL 4.5, ARB/EXT_clip_control) as in Vulkan. Not in libretro, where the frontend shares the context. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
#pragma once
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#include "ppsspp_config.h"
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#if PPSSPP_PLATFORM(IOS)
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#include <OpenGLES/ES3/gl.h>
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#include <OpenGLES/ES3/glext.h>
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#elif defined(USING_GLES2)
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#define GL_BGRA_EXT 0x80E1
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#else // OpenGL
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#include "GL/glew.h"
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#if defined(__APPLE__)
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#include <OpenGL/gl.h>
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#else
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#include <GL/gl.h>
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#endif
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#endif
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#ifdef USING_GLES2
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// Support OpenGL ES 3.0
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// This uses the "DYNAMIC" approach from the gles3jni NDK sample.
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#include "Common/GPU/OpenGL/gl3stub.h"
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#endif
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#ifdef USING_GLES2
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#ifndef GL_MIN_EXT
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#define GL_MIN_EXT 0x8007
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#endif
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#ifndef GL_MAX_EXT
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#define GL_MAX_EXT 0x8008
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#endif
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#ifndef GL_DEPTH_CLAMP
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// GL_DEPTH_CLAMP_EXT, from GL_EXT_depth_clamp. Not in every platform header.
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#define GL_DEPTH_CLAMP 0x864F
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#endif
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#if defined(__ANDROID__)
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#include <EGL/egl.h>
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// Additional extensions not included in GLES2/gl2ext.h from the NDK
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typedef uint64_t EGLuint64NV;
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typedef EGLuint64NV(EGLAPIENTRYP PFNEGLGETSYSTEMTIMEFREQUENCYNVPROC) (void);
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typedef EGLuint64NV(EGLAPIENTRYP PFNEGLGETSYSTEMTIMENVPROC) (void);
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extern PFNEGLGETSYSTEMTIMEFREQUENCYNVPROC eglGetSystemTimeFrequencyNV;
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extern PFNEGLGETSYSTEMTIMENVPROC eglGetSystemTimeNV;
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typedef GLvoid* (GL_APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
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extern PFNGLMAPBUFFERPROC glMapBuffer;
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typedef void (EGLAPIENTRYP PFNGLDRAWTEXTURENVPROC) (GLuint texture, GLuint sampler, GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, GLfloat z, GLfloat s0, GLfloat t0, GLfloat s1, GLfloat t1);
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extern PFNGLDRAWTEXTURENVPROC glDrawTextureNV;
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#if !PPSSPP_ARCH(ARM64)
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typedef void (EGLAPIENTRYP PFNGLBLITFRAMEBUFFERNVPROC) (
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GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
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GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
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GLbitfield mask, GLenum filter);
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#endif
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extern PFNGLBLITFRAMEBUFFERNVPROC glBlitFramebufferNV;
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#ifndef GL_ZERO_TO_ONE_EXT
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#define GL_LOWER_LEFT_EXT 0x8CA1
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#define GL_ZERO_TO_ONE_EXT 0x935F
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#endif
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// Our own name for the type and the pointer, since not every NDK header declares GL_EXT_clip_control.
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typedef void (GL_APIENTRYP PPSSPP_PFNGLCLIPCONTROLEXTPROC) (GLenum origin, GLenum depth);
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extern PPSSPP_PFNGLCLIPCONTROLEXTPROC glClipControlEXTFunc;
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#if PPSSPP_PLATFORM(IOS)
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extern PFNGLDISCARDFRAMEBUFFEREXTPROC glDiscardFramebufferEXT;
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extern PFNGLGENVERTEXARRAYSOESPROC glGenVertexArraysOES;
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extern PFNGLBINDVERTEXARRAYOESPROC glBindVertexArrayOES;
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extern PFNGLDELETEVERTEXARRAYSOESPROC glDeleteVertexArraysOES;
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extern PFNGLISVERTEXARRAYOESPROC glIsVertexArrayOES;
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// Rename standard functions to the OES version.
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#define glGenVertexArrays glGenVertexArraysOES
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#define glBindVertexArray glBindVertexArrayOES
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#define glDeleteVertexArrays glDeleteVertexArraysOES
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#define glIsVertexArray glIsVertexArrayOES
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#endif
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#endif
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#ifndef GL_READ_FRAMEBUFFER
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#define GL_READ_FRAMEBUFFER GL_FRAMEBUFFER
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#define GL_DRAW_FRAMEBUFFER GL_FRAMEBUFFER
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#endif
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#ifndef GL_DEPTH_COMPONENT24
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#define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
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#endif
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#ifndef GL_RGBA8
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#define GL_RGBA8 GL_RGBA
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#endif
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#endif /* EGL_NV_system_time */
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#ifndef GL_DEPTH24_STENCIL8_OES
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#define GL_DEPTH24_STENCIL8_OES 0x88F0
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#endif
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