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Update r_opengl.c

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This commit is contained in:
Jaime Ita Passos 2021-05-22 20:08:11 -03:00
parent 75ebdda31b
commit a1553c4623
1 changed files with 22 additions and 53 deletions
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75
src/hardware/r_opengl/r_opengl.c
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@ -62,6 +62,9 @@ static FBITFIELD CurrentPolyFlags;
static FTextureInfo *TexCacheTail = NULL;
static FTextureInfo *TexCacheHead = NULL;
static RGBA_t *textureBuffer = NULL;
static size_t textureBufferSize = 0;
RGBA_t myPaletteData[256];
GLint screen_width = 0; // used by Draw2DLine()
GLint screen_height = 0;
@ -202,32 +205,6 @@ static void GL_MSG_Error(const char *format, ...)
#endif
}
// ----------------------+
// GetTextureFormatName : Returns the corresponding texture format string from the texture format enumeration.
// ----------------------+
static const char *GetTextureFormatName(INT32 format)
{
static char num[12];
switch (format)
{
case GL_TEXFMT_P_8: return "GL_TEXFMT_P_8";
case GL_TEXFMT_AP_88: return "GL_TEXFMT_AP_88";
case GL_TEXFMT_RGBA: return "GL_TEXFMT_RGBA";
case GL_TEXFMT_ALPHA_8: return "GL_TEXFMT_ALPHA_8";
case GL_TEXFMT_INTENSITY_8: return "GL_TEXFMT_INTENSITY_8";
case GL_TEXFMT_ALPHA_INTENSITY_88: return "GL_TEXFMT_ALPHA_INTENSITY_88";
default: break;
}
// If the texture format is not known (due to it being invalid),
// return a string containing the format index instead.
format = INT32_MIN;
snprintf(num, sizeof(num), "%d", format);
return num;
}
#ifdef STATIC_OPENGL
/* 1.0 functions */
/* Miscellaneous */
@ -1366,6 +1343,10 @@ void Flush(void)
TexCacheTail = TexCacheHead = NULL; //Hurdler: well, TexCacheHead is already NULL
tex_downloaded = 0;
free(textureBuffer);
textureBuffer = NULL;
textureBufferSize = 0;
}
@ -1758,28 +1739,16 @@ EXPORT void HWRAPI(SetBlend) (FBITFIELD PolyFlags)
CurrentPolyFlags = PolyFlags;
}
// -------------------+
// AllocTextureBuffer : Allocates memory for converting a non-RGBA texture into an RGBA texture.
// -------------------+
static RGBA_t *AllocTextureBuffer(GLMipmap_t *pTexInfo)
static void AllocTextureBuffer(GLMipmap_t *pTexInfo)
{
size_t len = (pTexInfo->width * pTexInfo->height);
RGBA_t *tex = calloc(len, sizeof(RGBA_t));
if (tex == NULL)
I_Error("AllocTextureBuffer: out of memory allocating %s bytes for texture %d, format %s",
sizeu1(len * sizeof(RGBA_t)), pTexInfo->downloaded, GetTextureFormatName(pTexInfo->format));
return tex;
}
// ------------------+
// FreeTextureBuffer : Frees memory allocated by AllocTextureBuffer.
// ------------------+
static void FreeTextureBuffer(RGBA_t *tex)
{
if (tex)
free(tex);
size_t size = pTexInfo->width * pTexInfo->height;
if (size > textureBufferSize)
{
textureBuffer = realloc(textureBuffer, size * sizeof(RGBA_t));
if (textureBuffer == NULL)
I_Error("AllocTextureBuffer: out of memory allocating %s bytes", sizeu1(size * sizeof(RGBA_t)));
textureBufferSize = size;
}
}
// -----------------+
@ -1810,7 +1779,8 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
if ((pTexInfo->format == GL_TEXFMT_P_8) || (pTexInfo->format == GL_TEXFMT_AP_88))
{
ptex = tex = AllocTextureBuffer(pTexInfo);
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1851,7 +1821,8 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else if (pTexInfo->format == GL_TEXFMT_ALPHA_INTENSITY_88)
{
ptex = tex = AllocTextureBuffer(pTexInfo);
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1868,7 +1839,8 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else if (pTexInfo->format == GL_TEXFMT_ALPHA_8) // Used for fade masks
{
ptex = tex = AllocTextureBuffer(pTexInfo);
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1963,9 +1935,6 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
}
// Free the texture buffer
FreeTextureBuffer(tex);
if (pTexInfo->flags & TF_WRAPX)
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
else