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Differential D721 Diff 19200 source/lib/res/graphics/ogl_tex.cpp

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source/lib/res/graphics/ogl_tex.cpp

Show First 20 Lines • Show All 838 Lines • ▼ Show 20 Linesstatic void upload_level(size_t level, size_t level_w, size_t level_h, const u8* RESTRICT level_data, size_t level_data_size, void* RESTRICT cbData)
const UploadParams* up = (const UploadParams*)cbData; const UploadParams* up = (const UploadParams*)cbData;
glTexImage2D(GL_TEXTURE_2D, (GLint)level, up->int_fmt, (GLsizei)level_w, (GLsizei)level_h, 0, up->fmt, GL_UNSIGNED_BYTE, level_data); glTexImage2D(GL_TEXTURE_2D, (GLint)level, up->int_fmt, (GLsizei)level_w, (GLsizei)level_h, 0, up->fmt, GL_UNSIGNED_BYTE, level_data);
*up->uploaded_size += (u32)level_data_size; *up->uploaded_size += (u32)level_data_size;
} }
static void upload_compressed_level(size_t level, size_t level_w, size_t level_h, const u8* RESTRICT level_data, size_t level_data_size, void* RESTRICT cbData) static void upload_compressed_level(size_t level, size_t level_w, size_t level_h, const u8* RESTRICT level_data, size_t level_data_size, void* RESTRICT cbData)
{ {
const UploadParams* up = (const UploadParams*)cbData; const UploadParams* up = (const UploadParams*)cbData;
pglCompressedTexImage2DARB(GL_TEXTURE_2D, (GLint)level, up->fmt, (GLsizei)level_w, (GLsizei)level_h, 0, (GLsizei)level_data_size, level_data); glCompressedTexImage2DARB(GL_TEXTURE_2D, (GLint)level, up->fmt, (GLsizei)level_w, (GLsizei)level_h, 0, (GLsizei)level_data_size, level_data);
*up->uploaded_size += (u32)level_data_size; *up->uploaded_size += (u32)level_data_size;
} }
// upload the texture in the specified (internal) format. // upload the texture in the specified (internal) format.
// split out of ogl_tex_upload because it was too big. // split out of ogl_tex_upload because it was too big.
// //
// pre: <t> is valid for OpenGL use; texture is bound. // pre: <t> is valid for OpenGL use; texture is bound.
static void upload_impl(Tex* t, GLenum fmt, GLint int_fmt, int levels_to_skip, u32* uploaded_size) static void upload_impl(Tex* t, GLenum fmt, GLint int_fmt, int levels_to_skip, u32* uploaded_size)
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// notes: // notes:
// - assumes multitexturing is available. // - assumes multitexturing is available.
// - not necessary before calling ogl_tex_upload! // - not necessary before calling ogl_tex_upload!
// - on error, the unit's texture state is unchanged; see implementation. // - on error, the unit's texture state is unchanged; see implementation.
Status ogl_tex_bind(Handle ht, size_t unit) Status ogl_tex_bind(Handle ht, size_t unit)
{ {
// note: there are many call sites of glActiveTextureARB, so caching // note: there are many call sites of glActiveTextureARB, so caching
// those and ignoring redundant sets isn't feasible. // those and ignoring redundant sets isn't feasible.
pglActiveTextureARB((int)(GL_TEXTURE0+unit)); glActiveTextureARB((int)(GL_TEXTURE0+unit));
// special case: resets the active texture. // special case: resets the active texture.
if(ht == 0) if(ht == 0)
{ {
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
return INFO::OK; return INFO::OK;
} }
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