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add glRenderbufferStorage binding

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+ tweaks and fixes
This commit is contained in:
Bigfoot71 2026-03-16 23:31:04 +01:00
parent e89c8a4440
commit dc9d2c90bc
1 changed files with 147 additions and 40 deletions
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109
src/external/rlsw.h vendored
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@ -314,6 +314,53 @@ typedef double GLclampd;
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 #define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 #define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
// OpenGL internal formats (not all are supported; see SWinternalformat)
#define GL_ALPHA4 0x803B
#define GL_ALPHA8 0x803C
#define GL_ALPHA12 0x803D
#define GL_ALPHA16 0x803E
#define GL_LUMINANCE4 0x803F
#define GL_LUMINANCE8 0x8040
#define GL_LUMINANCE12 0x8041
#define GL_LUMINANCE16 0x8042
#define GL_LUMINANCE4_ALPHA4 0x8043
#define GL_LUMINANCE6_ALPHA2 0x8044
#define GL_LUMINANCE8_ALPHA8 0x8045
#define GL_LUMINANCE12_ALPHA4 0x8046
#define GL_LUMINANCE12_ALPHA12 0x8047
#define GL_LUMINANCE16_ALPHA16 0x8048
#define GL_INTENSITY 0x8049
#define GL_INTENSITY4 0x804A
#define GL_INTENSITY8 0x804B
#define GL_INTENSITY12 0x804C
#define GL_INTENSITY16 0x804D
#define GL_R3_G3_B2 0x2A10
#define GL_RGB4 0x804F
#define GL_RGB5 0x8050
#define GL_RGB8 0x8051
#define GL_RGB10 0x8052
#define GL_RGB12 0x8053
#define GL_RGB16 0x8054
#define GL_RGBA2 0x8055
#define GL_RGBA4 0x8056
#define GL_RGB5_A1 0x8057
#define GL_RGBA8 0x8058
#define GL_RGB10_A2 0x8059
#define GL_RGBA12 0x805A
#define GL_RGBA16 0x805B
// OpenGL internal formats extension
#define GL_DEPTH_COMPONENT16 0x81A5
#define GL_DEPTH_COMPONENT24 0x81A6
#define GL_DEPTH_COMPONENT32 0x81A7
#define GL_DEPTH_COMPONENT32F 0x8CAC
#define GL_R16F 0x822D
#define GL_RGB16F 0x881B
#define GL_RGBA16F 0x881A
#define GL_R32F 0x822E
#define GL_RGB32F 0x8815
#define GL_RGBA32F 0x8814
// OpenGL GL_EXT_framebuffer_object // OpenGL GL_EXT_framebuffer_object
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 #define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 #define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
@ -426,6 +473,8 @@ typedef double GLclampd;
#define glGetFramebufferAttachmentParameteriv(tr, a, p, v) swGetFramebufferAttachmentParameteriv((a), (p), (v)) #define glGetFramebufferAttachmentParameteriv(tr, a, p, v) swGetFramebufferAttachmentParameteriv((a), (p), (v))
#define glGenRenderbuffers(c, v) swGenTextures((c), (v)) #define glGenRenderbuffers(c, v) swGenTextures((c), (v))
#define glDeleteRenderbuffers(c, v) swDeleteTextures((c), (v)) #define glDeleteRenderbuffers(c, v) swDeleteTextures((c), (v))
#define glBindRenderbuffer(tr, rb) swBindTexture((rb))
#define glRenderbufferStorage(tr, f, w, h) swTexStorage2D((w), (h), (f))
// OpenGL functions NOT IMPLEMENTED by rlsw // OpenGL functions NOT IMPLEMENTED by rlsw
#define glDepthMask(X) ((void)(X)) #define glDepthMask(X) ((void)(X))
@ -543,6 +592,27 @@ typedef enum {
SW_FLOAT = GL_FLOAT SW_FLOAT = GL_FLOAT
} SWtype; } SWtype;
typedef enum {
SW_LUMINANCE8 = GL_LUMINANCE8,
SW_LUMINANCE8_ALPHA8 = GL_LUMINANCE8_ALPHA8,
SW_R3_G3_B2 = GL_R3_G3_B2,
SW_RGB8 = GL_RGB8,
SW_RGBA4 = GL_RGBA4,
SW_RGB5_A1 = GL_RGB5_A1,
SW_RGBA8 = GL_RGBA8,
SW_R16F = GL_R16F,
SW_RGB16F = GL_RGB16F,
SW_RGBA16F = GL_RGBA16F,
SW_R32F = GL_R32F,
SW_RGB32F = GL_RGB32F,
SW_RGBA32F = GL_RGBA32F,
SW_DEPTH_COMPONENT16 = GL_DEPTH_COMPONENT16,
SW_DEPTH_COMPONENT24 = GL_DEPTH_COMPONENT24,
SW_DEPTH_COMPONENT32 = GL_DEPTH_COMPONENT32,
SW_DEPTH_COMPONENT32F = GL_DEPTH_COMPONENT32F,
//SW_R5_G6_B5, // Not defined by OpenGL
} SWinternalformat;
typedef enum { typedef enum {
SW_NEAREST = GL_NEAREST, SW_NEAREST = GL_NEAREST,
SW_LINEAR = GL_LINEAR SW_LINEAR = GL_LINEAR
@ -4146,6 +4216,8 @@ void swClearDepth(float depth)
void swClear(uint32_t bitmask) void swClear(uint32_t bitmask)
{ {
if (!sw_is_ready_to_render()) return;
if ((bitmask & (SW_COLOR_BUFFER_BIT)) && (RLSW.colorBuffer != NULL) && (RLSW.colorBuffer->pixels != NULL)) if ((bitmask & (SW_COLOR_BUFFER_BIT)) && (RLSW.colorBuffer != NULL) && (RLSW.colorBuffer->pixels != NULL))
{ {
int size = RLSW.colorBuffer->width*RLSW.colorBuffer->height; int size = RLSW.colorBuffer->width*RLSW.colorBuffer->height;
@ -4887,8 +4959,12 @@ void swDeleteTextures(int count, sw_handle_t *textures)
sw_texture_t *tex = sw_pool_get(&RLSW.texturePool, textures[i]); sw_texture_t *tex = sw_pool_get(&RLSW.texturePool, textures[i]);
if (!tex) { RLSW.errCode = SW_INVALID_VALUE; continue; } if (!tex) { RLSW.errCode = SW_INVALID_VALUE; continue; }
if (tex == RLSW.boundTexture) RLSW.boundTexture = NULL; if (tex == RLSW.boundTexture) RLSW.boundTexture = NULL;
if (tex == RLSW.colorBuffer) RLSW.colorBuffer = NULL;
if (tex == RLSW.depthBuffer) RLSW.depthBuffer = NULL;
sw_texture_free(tex); sw_texture_free(tex);
*tex = (sw_texture_t) { 0 };
sw_pool_free(&RLSW.texturePool, textures[i]); sw_pool_free(&RLSW.texturePool, textures[i]);
} }
} }
@ -4901,6 +4977,38 @@ void swBindTexture(sw_handle_t id)
RLSW.boundTexture = sw_pool_get(&RLSW.texturePool, id); RLSW.boundTexture = sw_pool_get(&RLSW.texturePool, id);
} }
void swTexStorage2D(int width, int height, SWinternalformat format)
{
if (RLSW.boundTexture == NULL) return;
int pixelFormat = SW_PIXELFORMAT_UNKNOWN;
switch (format)
{
case SW_LUMINANCE8: pixelFormat = SW_PIXELFORMAT_COLOR_GRAYSCALE; break;
case SW_LUMINANCE8_ALPHA8: pixelFormat = SW_PIXELFORMAT_COLOR_GRAYALPHA; break;
case SW_R3_G3_B2: pixelFormat = SW_PIXELFORMAT_COLOR_R3G3B2; break;
case SW_RGB8: pixelFormat = SW_PIXELFORMAT_COLOR_R8G8B8; break;
case SW_RGBA4: pixelFormat = SW_PIXELFORMAT_COLOR_R4G4B4A4; break;
case SW_RGB5_A1: pixelFormat = SW_PIXELFORMAT_COLOR_R5G5B5A1; break;
case SW_RGBA8: pixelFormat = SW_PIXELFORMAT_COLOR_R8G8B8A8; break;
case SW_R16F: pixelFormat = SW_PIXELFORMAT_COLOR_R16; break;
case SW_RGB16F: pixelFormat = SW_PIXELFORMAT_COLOR_R16G16B16; break;
case SW_RGBA16F: pixelFormat = SW_PIXELFORMAT_COLOR_R16G16B16A16; break;
case SW_R32F: pixelFormat = SW_PIXELFORMAT_COLOR_R32; break;
case SW_RGB32F: pixelFormat = SW_PIXELFORMAT_COLOR_R32G32B32; break;
case SW_RGBA32F: pixelFormat = SW_PIXELFORMAT_COLOR_R32G32B32A32; break;
case SW_DEPTH_COMPONENT16: pixelFormat = SW_PIXELFORMAT_DEPTH_D16; break;
case SW_DEPTH_COMPONENT24: pixelFormat = SW_PIXELFORMAT_DEPTH_D32; break;
case SW_DEPTH_COMPONENT32: pixelFormat = SW_PIXELFORMAT_DEPTH_D32; break;
case SW_DEPTH_COMPONENT32F: pixelFormat = SW_PIXELFORMAT_DEPTH_D32; break;
default:
RLSW.errCode = SW_INVALID_ENUM;
return;
}
(void)sw_texture_alloc(RLSW.boundTexture, NULL, width, height, pixelFormat);
}
void swTexImage2D(int width, int height, SWformat format, SWtype type, const void *data) void swTexImage2D(int width, int height, SWformat format, SWtype type, const void *data)
{ {
if (RLSW.boundTexture == NULL) return; if (RLSW.boundTexture == NULL) return;
@ -4908,7 +5016,6 @@ void swTexImage2D(int width, int height, SWformat format, SWtype type, const voi
int pixelFormat = sw_pixel_get_format(format, type); int pixelFormat = sw_pixel_get_format(format, type);
if (pixelFormat <= SW_PIXELFORMAT_UNKNOWN) { RLSW.errCode = SW_INVALID_ENUM; return; } if (pixelFormat <= SW_PIXELFORMAT_UNKNOWN) { RLSW.errCode = SW_INVALID_ENUM; return; }
*RLSW.boundTexture = (sw_texture_t){ 0 };
(void)sw_texture_alloc(RLSW.boundTexture, data, width, height, pixelFormat); (void)sw_texture_alloc(RLSW.boundTexture, data, width, height, pixelFormat);
} }