diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_texture.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_texture.c | 228 |
1 files changed, 114 insertions, 114 deletions
diff --git a/source/blender/gpu/intern/gpu_texture.c b/source/blender/gpu/intern/gpu_texture.c index 9ef42592b55..7b51b03096f 100644 --- a/source/blender/gpu/intern/gpu_texture.c +++ b/source/blender/gpu/intern/gpu_texture.c @@ -109,7 +109,7 @@ static uint gpu_texture_memory_footprint_compute(GPUTexture *tex) return tex->bytesize * tex->w * tex->h * tex->d * samp; case GL_TEXTURE_CUBE_MAP: return tex->bytesize * 6 * tex->w * tex->h * samp; - case GL_TEXTURE_CUBE_MAP_ARRAY: + case GL_TEXTURE_CUBE_MAP_ARRAY_ARB: return tex->bytesize * 6 * tex->w * tex->h * tex->d * samp; default: return 0; @@ -138,6 +138,7 @@ static const char *gl_enum_to_str(GLenum e) #define ENUM_TO_STRING(e) [GL_##e] = STRINGIFY_ARG(e) static const char *enum_strings[] = { ENUM_TO_STRING(TEXTURE_CUBE_MAP), + ENUM_TO_STRING(TEXTURE_CUBE_MAP_ARRAY), ENUM_TO_STRING(TEXTURE_2D), ENUM_TO_STRING(TEXTURE_2D_ARRAY), ENUM_TO_STRING(TEXTURE_1D), @@ -202,6 +203,25 @@ static int gpu_get_component_count(eGPUTextureFormat format) } } +static uint gpu_get_data_format_bytesize(int comp, eGPUDataFormat data_format) +{ + switch (data_format) { + case GPU_DATA_FLOAT: + return sizeof(float) * comp; + case GPU_DATA_INT: + case GPU_DATA_UNSIGNED_INT: + return sizeof(int) * comp; + case GPU_DATA_UNSIGNED_INT_24_8: + case GPU_DATA_10_11_11_REV: + return sizeof(int); + case GPU_DATA_UNSIGNED_BYTE: + return sizeof(char) * comp; + default: + BLI_assert(0); + return 0; + } +} + /* Definitely not complete, edit according to the gl specification. */ static void gpu_validate_data_format(eGPUTextureFormat tex_format, eGPUDataFormat data_format) { @@ -679,6 +699,7 @@ GPUTexture *GPU_texture_create_nD(int w, } else { tex->target_base = tex->target = GL_TEXTURE_2D_ARRAY; + tex->format_flag |= GPU_FORMAT_ARRAY; } } else if (n == 1) { @@ -687,6 +708,7 @@ GPUTexture *GPU_texture_create_nD(int w, } else { tex->target_base = tex->target = GL_TEXTURE_1D_ARRAY; + tex->format_flag |= GPU_FORMAT_ARRAY; } } else if (n == 3) { @@ -839,17 +861,12 @@ GPUTexture *GPU_texture_create_nD(int w, return tex; } -static GPUTexture *GPU_texture_cube_create(int w, - int d, - const float *fpixels_px, - const float *fpixels_py, - const float *fpixels_pz, - const float *fpixels_nx, - const float *fpixels_ny, - const float *fpixels_nz, - eGPUTextureFormat tex_format, - eGPUDataFormat gpu_data_format, - char err_out[256]) +GPUTexture *GPU_texture_cube_create(int w, + int d, + const void *pixels, + eGPUTextureFormat tex_format, + eGPUDataFormat gpu_data_format, + char err_out[256]) { GPUTexture *tex = MEM_callocN(sizeof(GPUTexture), "GPUTexture"); tex->w = w; @@ -867,8 +884,21 @@ static GPUTexture *GPU_texture_cube_create(int w, tex->target_base = tex->target = GL_TEXTURE_CUBE_MAP; } else { - BLI_assert(false && "Cubemap array Not implemented yet"); - // tex->target_base = tex->target = GL_TEXTURE_CUBE_MAP_ARRAY; + tex->target_base = tex->target = GL_TEXTURE_CUBE_MAP_ARRAY_ARB; + tex->format_flag |= GPU_FORMAT_ARRAY; + + if (!GPU_arb_texture_cube_map_array_is_supported()) { + fprintf(stderr, "ERROR: Attempt to create a cubemap array without hardware support!\n"); + BLI_assert(0); + GPU_texture_free(tex); + return NULL; + } + + if (d > GPU_max_texture_layers() / 6) { + BLI_assert(0); + GPU_texture_free(tex); + return NULL; + } } GLenum internalformat = gpu_get_gl_internalformat(tex_format); @@ -905,60 +935,42 @@ static GPUTexture *GPU_texture_cube_create(int w, glBindTexture(tex->target, tex->bindcode); /* Upload Texture */ - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_px); - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_py); - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_pz); - glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_nx); - glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_ny); - glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, - 0, - internalformat, - tex->w, - tex->h, - 0, - data_format, - data_type, - fpixels_nz); + if (d == 0) { + const char *pixels_px, *pixels_py, *pixels_pz, *pixels_nx, *pixels_ny, *pixels_nz; + + if (pixels) { + size_t face_ofs = w * w * gpu_get_data_format_bytesize(tex->components, gpu_data_format); + pixels_px = (char *)pixels + 0 * face_ofs; + pixels_nx = (char *)pixels + 1 * face_ofs; + pixels_py = (char *)pixels + 2 * face_ofs; + pixels_ny = (char *)pixels + 3 * face_ofs; + pixels_pz = (char *)pixels + 4 * face_ofs; + pixels_nz = (char *)pixels + 5 * face_ofs; + } + else { + pixels_px = pixels_py = pixels_pz = pixels_nx = pixels_ny = pixels_nz = NULL; + } + + GLuint face = GL_TEXTURE_CUBE_MAP_POSITIVE_X; + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_px); + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_nx); + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_py); + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_ny); + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_pz); + glTexImage2D(face++, 0, internalformat, tex->w, tex->h, 0, data_format, data_type, pixels_nz); + } + else { + glTexImage3D(tex->target, + 0, + internalformat, + tex->w, + tex->h, + tex->d * 6, + 0, + data_format, + data_type, + pixels); + } /* Texture Parameters */ if (GPU_texture_stencil(tex) || /* Does not support filtering */ @@ -1131,33 +1143,16 @@ GPUTexture *GPU_texture_create_cube(int w, char err_out[256]) { BLI_assert(w > 0); - const float *fpixels_px, *fpixels_py, *fpixels_pz, *fpixels_nx, *fpixels_ny, *fpixels_nz; - const int channels = gpu_get_component_count(tex_format); - - if (fpixels) { - int face_ofs = w * w * channels; - fpixels_px = fpixels + 0 * face_ofs; - fpixels_nx = fpixels + 1 * face_ofs; - fpixels_py = fpixels + 2 * face_ofs; - fpixels_ny = fpixels + 3 * face_ofs; - fpixels_pz = fpixels + 4 * face_ofs; - fpixels_nz = fpixels + 5 * face_ofs; - } - else { - fpixels_px = fpixels_py = fpixels_pz = fpixels_nx = fpixels_ny = fpixels_nz = NULL; - } + eGPUDataFormat data_format = gpu_get_data_format_from_tex_format(tex_format); + return GPU_texture_cube_create(w, 0, fpixels, tex_format, data_format, err_out); +} - return GPU_texture_cube_create(w, - 0, - fpixels_px, - fpixels_py, - fpixels_pz, - fpixels_nx, - fpixels_ny, - fpixels_nz, - tex_format, - GPU_DATA_FLOAT, - err_out); +GPUTexture *GPU_texture_create_cube_array( + int w, int d, eGPUTextureFormat tex_format, const float *fpixels, char err_out[256]) +{ + BLI_assert(w > 0 && d > 0); + eGPUDataFormat data_format = gpu_get_data_format_from_tex_format(tex_format); + return GPU_texture_cube_create(w, d, fpixels, tex_format, data_format, err_out); } GPUTexture *GPU_texture_create_from_vertbuf(GPUVertBuf *vert) @@ -1297,6 +1292,7 @@ void GPU_texture_add_mipmap(GPUTexture *tex, break; case GL_TEXTURE_3D: case GL_TEXTURE_2D_ARRAY: + case GL_TEXTURE_CUBE_MAP_ARRAY_ARB: glTexImage3D(tex->target, miplvl, internalformat, @@ -1385,29 +1381,13 @@ void *GPU_texture_read(GPUTexture *tex, eGPUDataFormat gpu_data_format, int mipl gpu_validate_data_format(tex->format, gpu_data_format); - size_t buf_size = gpu_texture_memory_footprint_compute(tex); size_t samples_count = max_ii(1, tex->samples); - samples_count *= size[0]; samples_count *= max_ii(1, size[1]); samples_count *= max_ii(1, size[2]); - samples_count *= (GPU_texture_cube(tex)) ? 6 : 1; + samples_count *= (GPU_texture_cube(tex) && !GPU_texture_array(tex)) ? 6 : 1; - switch (gpu_data_format) { - case GPU_DATA_FLOAT: - buf_size = sizeof(float) * samples_count * tex->components; - break; - case GPU_DATA_INT: - case GPU_DATA_UNSIGNED_INT: - buf_size = sizeof(int) * samples_count * tex->components; - break; - case GPU_DATA_UNSIGNED_INT_24_8: - case GPU_DATA_10_11_11_REV: - buf_size = sizeof(int) * samples_count; - break; - case GPU_DATA_UNSIGNED_BYTE: - break; - } + size_t buf_size = samples_count * gpu_get_data_format_bytesize(tex->components, gpu_data_format); /* AMD Pro driver have a bug that write 8 bytes past buffer size * if the texture is big. (see T66573) */ @@ -1418,7 +1398,7 @@ void *GPU_texture_read(GPUTexture *tex, eGPUDataFormat gpu_data_format, int mipl glBindTexture(tex->target, tex->bindcode); - if (GPU_texture_cube(tex)) { + if (GPU_texture_cube(tex) && !GPU_texture_array(tex)) { int cube_face_size = buf_size / 6; for (int i = 0; i < 6; i++) { glGetTexImage(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, @@ -1648,6 +1628,17 @@ void GPU_texture_wrap_mode(GPUTexture *tex, bool use_repeat) } } +void GPU_texture_swizzle_channel_auto(GPUTexture *tex, int channels) +{ + WARN_NOT_BOUND(tex); + + glActiveTexture(GL_TEXTURE0 + tex->number); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_G, (channels >= 2) ? GL_GREEN : GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_B, (channels >= 3) ? GL_BLUE : GL_RED); + glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_A, (channels >= 4) ? GL_ALPHA : GL_ONE); +} + static GLenum gpu_get_gl_filterfunction(eGPUFilterFunction filter) { switch (filter) { @@ -1752,6 +1743,11 @@ int GPU_texture_samples(const GPUTexture *tex) return tex->samples; } +bool GPU_texture_array(const GPUTexture *tex) +{ + return (tex->format_flag & GPU_FORMAT_ARRAY) != 0; +} + bool GPU_texture_depth(const GPUTexture *tex) { return (tex->format_flag & GPU_FORMAT_DEPTH) != 0; @@ -1817,8 +1813,12 @@ void GPU_texture_get_mipmap_size(GPUTexture *tex, int lvl, int *size) size[1] = max_ii(1, tex->h / div); } - if (tex->target == GL_TEXTURE_2D_ARRAY) { + if (GPU_texture_array(tex)) { size[2] = tex->d; + /* Return the number of face layers. */ + if (GPU_texture_cube(tex)) { + size[2] *= 6; + } } else if (tex->d > 0) { size[2] = max_ii(1, tex->d / div); |