mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-25 19:20:46 +00:00
GL ES: Interpreting glGetError as always meaning "this internal texture format doesn't work" is too dangerous to keep in the live code (not to mention wasteful). Move it to a new and improved Polymost_InitDummyTexture, now called Polymost_DetermineTextureFormatSupport.
git-svn-id: https://svn.eduke32.com/eduke32@5715 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266
parent
b8f22a6d9c
commit
61fe1c554a
1 changed files with 118 additions and 131 deletions
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@ -338,7 +338,9 @@ void polymost_glreset()
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#endif
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}
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static void Polymost_InitDummyTexture(void);
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#if defined EDUKE32_GLES
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static void Polymost_DetermineTextureFormatSupport(void);
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#endif
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// one-time initialization of OpenGL for polymost
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void polymost_glinit()
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@ -393,7 +395,9 @@ void polymost_glinit()
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texcache_setupmemcache();
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texcache_checkgarbage();
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Polymost_InitDummyTexture();
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#if defined EDUKE32_GLES
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Polymost_DetermineTextureFormatSupport();
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#endif
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}
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////////// VISIBILITY FOG ROUTINES //////////
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@ -651,9 +655,9 @@ static int32_t const texfmts_rgb_mask[] = { GL_RGB5_A1, GL_RGBA, 0 };
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static int32_t const texfmts_rgb[] = { GL_RGB565, GL_RGB5_A1, GL_RGB, GL_RGBA, 0 };
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static int32_t const texfmts_rgba[] = { GL_RGBA4, GL_RGBA, 0 } ;
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static int32_t const *texfmt_rgb_mask = texfmts_rgb_mask;
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static int32_t const *texfmt_rgb = texfmts_rgb;
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static int32_t const *texfmt_rgba = texfmts_rgba;
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static int32_t texfmt_rgb_mask;
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static int32_t texfmt_rgb;
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static int32_t texfmt_rgba;
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#if defined EDUKE32_IOS
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static int32_t const comprtexfmts_rgb[] = { GL_ETC1_RGB8_OES, 0 };
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@ -666,50 +670,9 @@ static int32_t const comprtexfmts_rgba[] = { /*GL_COMPRESSED_RGBA8_ETC2_EAC,*/ 0
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static int32_t const comprtexfmts_rgb_mask[] = { /*GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,*/ 0 };
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#endif
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static int32_t const *comprtexfmt_rgb_mask = comprtexfmts_rgb_mask;
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static int32_t const *comprtexfmt_rgb = comprtexfmts_rgb;
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static int32_t const *comprtexfmt_rgba = comprtexfmts_rgba;
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static int32_t Polymost_glTexImage2D_Error(int32_t const ** const intexfmt_master)
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{
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GLenum checkerr, err = GL_NO_ERROR;
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while ((checkerr = bglGetError()) != GL_NO_ERROR)
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err = checkerr;
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if (err != GL_NO_ERROR)
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{
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if (*++*intexfmt_master == 0)
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{
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initprintf("No texture formats supported (error 0x%X).\n", err);
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Bfflush(NULL);
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uninitengine();
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Bexit(565);
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}
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return 1;
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}
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return 0;
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}
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static int32_t Polymost_glCompressedTexImage2D_Error(int32_t const ** const comprtexfmt_master)
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{
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GLenum checkerr, err = GL_NO_ERROR;
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while ((checkerr = bglGetError()) != GL_NO_ERROR)
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err = checkerr;
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if (err != GL_NO_ERROR)
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{
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if (*++*comprtexfmt_master == 0)
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{
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return 2;
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}
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return 1;
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}
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return 0;
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}
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static int32_t comprtexfmt_rgb_mask;
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static int32_t comprtexfmt_rgb;
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static int32_t comprtexfmt_rgba;
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# ifdef __cplusplus
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extern "C" {
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@ -743,38 +706,90 @@ static ETCFunction_t Polymost_PickETCFunction(int32_t const comprtexfmt)
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}
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}
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#else
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# define Polymost_glTexImage2D_Error(...) (0)
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static int Polymost_ConfirmNoGLError(void)
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{
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GLenum checkerr, err = GL_NO_ERROR;
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while ((checkerr = bglGetError()) != GL_NO_ERROR)
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err = checkerr;
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return err == GL_NO_ERROR;
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}
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static int32_t Polymost_TryDummyTexture(coltype const * const pic, int32_t const * formats)
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{
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while (*formats)
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{
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bglTexImage2D(GL_TEXTURE_2D, 0, *formats, 4,4, 0, GL_RGBA, GL_UNSIGNED_BYTE, pic);
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if (Polymost_ConfirmNoGLError())
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return *formats;
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++formats;
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}
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initputs("No texture formats supported?!\n");
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return 0;
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}
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static int32_t Polymost_TryCompressedDummyTexture(coltype const * const pic, int32_t const * formats)
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{
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while (*formats)
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{
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ETCFunction_t func = Polymost_PickETCFunction(*formats);
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uint64_t const comprpic = func((uint8_t const *)pic);
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jwzgles_glCompressedTexImage2D(GL_TEXTURE_2D, 0, *formats, 4,4, 0, sizeof(uint64_t), &comprpic);
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if (Polymost_ConfirmNoGLError())
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return *formats;
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++formats;
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}
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return 0;
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}
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static void Polymost_DetermineTextureFormatSupport(void)
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{
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// init dummy texture to trigger possible failure of all compression modes
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coltype pic[4*4] = { { 0, 0, 0, 0 } };
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GLuint tex = 0;
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bglGenTextures(1, &tex);
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bglBindTexture(GL_TEXTURE_2D, tex);
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BuildGLErrorCheck(); // XXX: Clear errors.
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texfmt_rgb = Polymost_TryDummyTexture(pic, texfmts_rgb);
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texfmt_rgba = Polymost_TryDummyTexture(pic, texfmts_rgba);
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texfmt_rgb_mask = Polymost_TryDummyTexture(pic, texfmts_rgb_mask);
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comprtexfmt_rgb = Polymost_TryCompressedDummyTexture(pic, comprtexfmts_rgb);
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comprtexfmt_rgba = Polymost_TryCompressedDummyTexture(pic, comprtexfmts_rgba);
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comprtexfmt_rgb_mask = Polymost_TryCompressedDummyTexture(pic, comprtexfmts_rgb_mask);
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bglDeleteTextures(1, &tex);
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}
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#endif
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static void Polymost_SendTexToDriver(int32_t const doalloc,
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vec2_t const siz,
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int32_t const texfmt,
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coltype const * const pic,
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#if !defined EDUKE32_GLES
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int32_t const intexfmt,
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#else
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int32_t const ** const intexfmt_master,
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int32_t const ** const comprtexfmt_master,
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# define intexfmt (**intexfmt_master)
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#if defined EDUKE32_GLES
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int32_t const comprtexfmt,
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int32_t const texcompress_ok,
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#endif
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int32_t const level)
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{
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BuildGLErrorCheck(); // XXX
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#if defined EDUKE32_GLES
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if (texcompress_ok && **comprtexfmt_master && (siz.x & 3) == 0 && (siz.y & 3) == 0)
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if (texcompress_ok && comprtexfmt && (siz.x & 3) == 0 && (siz.y & 3) == 0)
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{
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size_t const picLength = siz.x * siz.y;
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size_t const fourRows = siz.x << 2u;
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GLsizei const imageSize = picLength >> 1u; // 4x4 pixels --> 8 bytes
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uint8_t * const comprpic = (uint8_t *)Xaligned_alloc(8, imageSize);
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int32_t err;
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do
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{
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int32_t const comprtexfmt = **comprtexfmt_master;
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ETCFunction_t func = Polymost_PickETCFunction(comprtexfmt);
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@ -807,25 +822,18 @@ static void Polymost_SendTexToDriver(int32_t const doalloc,
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jwzgles_glCompressedTexImage2D(GL_TEXTURE_2D, level, comprtexfmt, siz.x,siz.y, 0, imageSize, comprpic);
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else
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jwzgles_glCompressedTexSubImage2D(GL_TEXTURE_2D, level, 0,0, siz.x,siz.y, comprtexfmt, imageSize, comprpic);
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}
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while ((err = Polymost_glCompressedTexImage2D_Error(comprtexfmt_master)) == 1);
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Baligned_free(comprpic);
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if (err == 0)
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return;
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}
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#endif
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do
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{
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if (doalloc & 1)
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bglTexImage2D(GL_TEXTURE_2D, level, intexfmt, siz.x,siz.y, 0, texfmt, GL_UNSIGNED_BYTE, pic);
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else
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bglTexSubImage2D(GL_TEXTURE_2D, level, 0,0, siz.x,siz.y, texfmt, GL_UNSIGNED_BYTE, pic);
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}
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while (Polymost_glTexImage2D_Error(intexfmt_master));
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}
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void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt,
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coltype *pic, vec2_t tsiz, int32_t dameth)
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@ -846,8 +854,8 @@ void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt,
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#else
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const int onebitalpha = !!(dameth & DAMETH_ONEBITALPHA);
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int32_t const ** intexfmt_master = hasalpha ? (onebitalpha ? &texfmt_rgb_mask : &texfmt_rgba) : &texfmt_rgb;
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int32_t const ** comprtexfmt_master = hasalpha ? (onebitalpha ? &comprtexfmt_rgb_mask : &comprtexfmt_rgba) : &comprtexfmt_rgb;
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int32_t const intexfmt = hasalpha ? (onebitalpha ? texfmt_rgb_mask : texfmt_rgba) : texfmt_rgb;
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int32_t const comprtexfmt = hasalpha ? (onebitalpha ? comprtexfmt_rgb_mask : comprtexfmt_rgba) : comprtexfmt_rgb;
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#endif
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dameth &= ~DAMETH_UPLOADTEXTURE_MASK;
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@ -880,11 +888,9 @@ void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt,
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if (!miplevel)
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Polymost_SendTexToDriver(doalloc, siz, texfmt, pic,
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#if !defined EDUKE32_GLES
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intexfmt,
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#else
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intexfmt_master,
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comprtexfmt_master,
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#if defined EDUKE32_GLES
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comprtexfmt,
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texcompress_ok,
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#endif
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0);
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@ -940,11 +946,9 @@ void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt,
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if (j >= miplevel)
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Polymost_SendTexToDriver(doalloc, siz3, texfmt, pic,
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#if !defined EDUKE32_GLES
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intexfmt,
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#else
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intexfmt_master,
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comprtexfmt_master,
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#if defined EDUKE32_GLES
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comprtexfmt,
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texcompress_ok,
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#endif
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j - miplevel);
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@ -1226,23 +1230,6 @@ void gloadtile_art(int32_t dapic, int32_t dapal, int32_t tintpalnum, int32_t das
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}
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}
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static void Polymost_InitDummyTexture(void)
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{
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// init dummy texture to trigger possible failure of all compression modes
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coltype dummypic[4*4] = { { 0, 0, 0, 0 } };
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vec2_t const dummysiz = { 4, 4 };
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GLuint dummytex = 0;
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bglGenTextures(1, &dummytex);
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bglBindTexture(GL_TEXTURE_2D, dummytex);
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uploadtexture(1, dummysiz, GL_RGBA, dummypic, dummysiz, DAMETH_NOMASK|DAMETH_NOFIX|DAMETH_NODOWNSIZE);
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uploadtexture(1, dummysiz, GL_RGBA, dummypic, dummysiz, DAMETH_MASK|DAMETH_HASALPHA|DAMETH_NOFIX|DAMETH_NODOWNSIZE);
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uploadtexture(1, dummysiz, GL_RGBA, dummypic, dummysiz, DAMETH_MASK|DAMETH_ONEBITALPHA|DAMETH_NOFIX|DAMETH_NODOWNSIZE);
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bglDeleteTextures(1, &dummytex);
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}
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int32_t gloadtile_hi(int32_t dapic,int32_t dapalnum, int32_t facen, hicreplctyp *hicr,
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int32_t dameth, pthtyp *pth, int32_t doalloc, char effect)
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{
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