diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_texture.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_texture.c | 113 |
1 files changed, 103 insertions, 10 deletions
diff --git a/source/blender/gpu/intern/gpu_texture.c b/source/blender/gpu/intern/gpu_texture.c index ee00a1381f4..21a3aee5f57 100644 --- a/source/blender/gpu/intern/gpu_texture.c +++ b/source/blender/gpu/intern/gpu_texture.c @@ -171,6 +171,10 @@ static GLenum gpu_texture_get_format( default: break; } } + else if (ELEM(data_type, GPU_R8)) { + *data_format = GL_UNSIGNED_BYTE; + *format = GL_RED; + } else { *data_format = GL_FLOAT; *format_flag |= GPU_FORMAT_FLOAT; @@ -882,37 +886,58 @@ GPUTexture *GPU_texture_create_from_vertbuf(Gwn_VertBuf *vert) return GPU_texture_create_buffer(data_type, vert->vbo_id); } -void GPU_texture_update(GPUTexture *tex, const float *pixels) +void GPU_texture_update_sub( + GPUTexture *tex, const void *pixels, + int offset_x, int offset_y, int offset_z, int width, int height, int depth) { - BLI_assert(tex->format > -1); + BLI_assert((int)tex->format > -1); BLI_assert(tex->components > -1); GLenum format, data_format; + GLint alignment; gpu_texture_get_format(tex->components, tex->format, &format, &data_format, - &tex->format_flag, &tex->bytesize); + &tex->format_flag, &tex->bytesize); - glBindTexture(tex->target, tex->bindcode); + /* The default pack size for textures is 4, which won't work for byte based textures */ + if (tex->bytesize == 1) { + glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + } + glBindTexture(tex->target, tex->bindcode); switch (tex->target) { case GL_TEXTURE_2D: case GL_TEXTURE_2D_MULTISAMPLE: case GL_TEXTURE_1D_ARRAY: - glTexSubImage2D(tex->target, 0, 0, 0, tex->w, tex->h, format, data_format, pixels); + glTexSubImage2D( + tex->target, 0, offset_x, offset_y, + width, height, format, data_format, pixels); break; case GL_TEXTURE_1D: - glTexSubImage1D(tex->target, 0, 0, tex->w, format, data_format, pixels); + glTexSubImage1D(tex->target, 0, offset_x, width, format, data_format, pixels); break; case GL_TEXTURE_3D: case GL_TEXTURE_2D_ARRAY: - glTexSubImage3D(tex->target, 0, 0, 0, 0, tex->w, tex->h, tex->d, format, data_format, pixels); + glTexSubImage3D( + tex->target, 0, offset_x, offset_y, offset_z, + width, height, depth, format, data_format, pixels); break; default: BLI_assert(!"tex->target mode not supported"); } + if (tex->bytesize == 1) { + glPixelStorei(GL_UNPACK_ALIGNMENT, alignment); + } + glBindTexture(tex->target, 0); } +void GPU_texture_update(GPUTexture *tex, const void *pixels) +{ + GPU_texture_update_sub(tex, pixels, 0, 0, 0, tex->w, tex->h, tex->d); +} + void GPU_invalid_tex_init(void) { memory_usage = 0; @@ -1045,9 +1070,10 @@ void GPU_texture_mipmap_mode(GPUTexture *tex, bool use_mipmap, bool use_filter) BLI_assert((!use_filter && !use_mipmap) || !(GPU_texture_stencil(tex) || GPU_texture_integer(tex))); GLenum filter = (use_filter) ? GL_LINEAR : GL_NEAREST; - GLenum mipmap = (use_filter) - ? (use_mipmap) ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR - : (use_mipmap) ? GL_NEAREST_MIPMAP_LINEAR : GL_NEAREST; + GLenum mipmap = ( + (use_filter) ? + (use_mipmap) ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR : + (use_mipmap) ? GL_NEAREST_MIPMAP_LINEAR : GL_NEAREST); glActiveTexture(GL_TEXTURE0 + tex->number); glTexParameteri(tex->target_base, GL_TEXTURE_MIN_FILTER, mipmap); @@ -1068,6 +1094,33 @@ void GPU_texture_wrap_mode(GPUTexture *tex, bool use_repeat) glTexParameteri(tex->target_base, GL_TEXTURE_WRAP_R, repeat); } +static GLenum gpu_get_gl_filterfunction(GPUFilterFunction filter) +{ + switch (filter) { + case GPU_NEAREST: + return GL_NEAREST; + case GPU_LINEAR: + return GL_LINEAR; + default: + BLI_assert(!"Unhandled filter mode"); + return GL_NEAREST; + } +} + +void GPU_texture_filters(GPUTexture *tex, GPUFilterFunction min_filter, GPUFilterFunction mag_filter) +{ + WARN_NOT_BOUND(tex); + + /* Stencil and integer format does not support filtering. */ + BLI_assert(!(GPU_texture_stencil(tex) || GPU_texture_integer(tex))); + BLI_assert(mag_filter == GPU_NEAREST || mag_filter == GPU_LINEAR); + + glActiveTexture(GL_TEXTURE0 + tex->number); + glTexParameteri(tex->target_base, GL_TEXTURE_MIN_FILTER, gpu_get_gl_filterfunction(min_filter)); + glTexParameteri(tex->target_base, GL_TEXTURE_MAG_FILTER, gpu_get_gl_filterfunction(mag_filter)); +} + + static void gpu_texture_delete(GPUTexture *tex) { if (tex->bindcode) @@ -1207,3 +1260,43 @@ int GPU_texture_detach_framebuffer(GPUTexture *tex, GPUFrameBuffer *fb) BLI_assert(!"Error: Texture: Framebuffer is not attached"); return 0; } + +void GPU_blend(bool enable) +{ + if (enable) { + glEnable(GL_BLEND); + } + else { + glDisable(GL_BLEND); + } +} + +static GLenum gpu_get_gl_blendfunction(GPUBlendFunction blend) +{ + switch (blend) { + case GPU_ONE: + return GL_ONE; + case GPU_SRC_ALPHA: + return GL_SRC_ALPHA; + case GPU_ONE_MINUS_SRC_ALPHA: + return GL_ONE_MINUS_SRC_ALPHA; + default: + BLI_assert(!"Unhandled blend mode"); + return GL_ZERO; + } +} + +void GPU_blend_set_func_separate( + GPUBlendFunction src_rgb, GPUBlendFunction dst_rgb, + GPUBlendFunction src_alpha, GPUBlendFunction dst_alpha) +{ + glBlendFuncSeparate(gpu_get_gl_blendfunction(src_rgb), + gpu_get_gl_blendfunction(dst_rgb), + gpu_get_gl_blendfunction(src_alpha), + gpu_get_gl_blendfunction(dst_alpha)); +} + +void GPU_blend_set_func(GPUBlendFunction sfactor, GPUBlendFunction dfactor) +{ + glBlendFunc(gpu_get_gl_blendfunction(sfactor), gpu_get_gl_blendfunction(dfactor)); +} |