[Bf-blender-cvs] [7f00b3a7113] master: Cleanup: split smoke drawing out into it's own file
Campbell Barton
noreply at git.blender.org
Tue Dec 17 01:36:05 CET 2019
Commit: 7f00b3a7113f56ab3f18468d3a6058697d09571a
Author: Campbell Barton
Date: Tue Dec 17 11:11:15 2019 +1100
Branches: master
https://developer.blender.org/rB7f00b3a7113f56ab3f18468d3a6058697d09571a
Cleanup: split smoke drawing out into it's own file
gpu_draw.c had generic sounding utility functions which were specific
to smoke drawing.
Split into it's own file so the functionality is clearly separated.
===================================================================
M source/blender/gpu/CMakeLists.txt
M source/blender/gpu/GPU_draw.h
M source/blender/gpu/intern/gpu_draw.c
A source/blender/gpu/intern/gpu_draw_smoke.c
===================================================================
diff --git a/source/blender/gpu/CMakeLists.txt b/source/blender/gpu/CMakeLists.txt
index 7b0845df217..8daeda67c80 100644
--- a/source/blender/gpu/CMakeLists.txt
+++ b/source/blender/gpu/CMakeLists.txt
@@ -61,6 +61,7 @@ set(SRC
intern/gpu_context.cpp
intern/gpu_debug.c
intern/gpu_draw.c
+ intern/gpu_draw_smoke.c
intern/gpu_element.c
intern/gpu_extensions.c
intern/gpu_framebuffer.c
diff --git a/source/blender/gpu/GPU_draw.h b/source/blender/gpu/GPU_draw.h
index 00c8ce2353d..f89a76cf49c 100644
--- a/source/blender/gpu/GPU_draw.h
+++ b/source/blender/gpu/GPU_draw.h
@@ -83,7 +83,7 @@ void GPU_free_images(struct Main *bmain);
void GPU_free_images_anim(struct Main *bmain);
void GPU_free_images_old(struct Main *bmain);
-/* smoke drawing functions */
+/* gpu_draw_smoke.c */
void GPU_free_smoke(struct FluidModifierData *mmd);
void GPU_free_smoke_velocity(struct FluidModifierData *mmd);
void GPU_create_smoke(struct FluidModifierData *mmd, int highres);
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index dca52355f10..95738bb1a95 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -36,17 +36,9 @@
#include "BLI_threads.h"
#include "BLI_utildefines.h"
-#include "DNA_light_types.h"
-#include "DNA_material_types.h"
-#include "DNA_mesh_types.h"
-#include "DNA_meshdata_types.h"
-#include "DNA_modifier_types.h"
-#include "DNA_node_types.h"
-#include "DNA_object_types.h"
-#include "DNA_scene_types.h"
-#include "DNA_fluid_types.h"
-#include "DNA_view3d_types.h"
-#include "DNA_particle_types.h"
+#include "DNA_image_types.h"
+#include "DNA_movieclip_types.h"
+#include "DNA_userdef_types.h"
#include "MEM_guardedalloc.h"
@@ -54,14 +46,10 @@
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
-#include "BKE_colorband.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
-#include "BKE_material.h"
#include "BKE_movieclip.h"
-#include "BKE_node.h"
-#include "BKE_scene.h"
#include "GPU_draw.h"
#include "GPU_extensions.h"
@@ -71,8 +59,6 @@
#include "PIL_time.h"
-#include "manta_fluid_API.h"
-
static void gpu_free_image_immediate(Image *ima);
//* Checking powers of two for images since OpenGL ES requires it */
@@ -938,368 +924,6 @@ void GPU_paint_update_image(Image *ima, ImageUser *iuser, int x, int y, int w, i
BKE_image_release_ibuf(ima, ibuf, NULL);
}
-/* *************************** Transfer functions *************************** */
-
-#ifdef WITH_FLUID
-
-enum {
- TFUNC_FLAME_SPECTRUM = 0,
- TFUNC_COLOR_RAMP = 1,
-};
-
-# define TFUNC_WIDTH 256
-
-static void create_flame_spectrum_texture(float *data)
-{
-# define FIRE_THRESH 7
-# define MAX_FIRE_ALPHA 0.06f
-# define FULL_ON_FIRE 100
-
- float *spec_pixels = MEM_mallocN(TFUNC_WIDTH * 4 * 16 * 16 * sizeof(float), "spec_pixels");
-
- blackbody_temperature_to_rgb_table(data, TFUNC_WIDTH, 1500, 3000);
-
- for (int i = 0; i < 16; i++) {
- for (int j = 0; j < 16; j++) {
- for (int k = 0; k < TFUNC_WIDTH; k++) {
- int index = (j * TFUNC_WIDTH * 16 + i * TFUNC_WIDTH + k) * 4;
- if (k >= FIRE_THRESH) {
- spec_pixels[index] = (data[k * 4]);
- spec_pixels[index + 1] = (data[k * 4 + 1]);
- spec_pixels[index + 2] = (data[k * 4 + 2]);
- spec_pixels[index + 3] = MAX_FIRE_ALPHA *
- ((k > FULL_ON_FIRE) ?
- 1.0f :
- (k - FIRE_THRESH) / ((float)FULL_ON_FIRE - FIRE_THRESH));
- }
- else {
- zero_v4(&spec_pixels[index]);
- }
- }
- }
- }
-
- memcpy(data, spec_pixels, sizeof(float) * 4 * TFUNC_WIDTH);
-
- MEM_freeN(spec_pixels);
-
-# undef FIRE_THRESH
-# undef MAX_FIRE_ALPHA
-# undef FULL_ON_FIRE
-}
-
-static void create_color_ramp(const ColorBand *coba, float *data)
-{
- for (int i = 0; i < TFUNC_WIDTH; i++) {
- BKE_colorband_evaluate(coba, (float)i / TFUNC_WIDTH, &data[i * 4]);
- }
-}
-
-static GPUTexture *create_transfer_function(int type, const ColorBand *coba)
-{
- float *data = MEM_mallocN(sizeof(float) * 4 * TFUNC_WIDTH, __func__);
-
- switch (type) {
- case TFUNC_FLAME_SPECTRUM:
- create_flame_spectrum_texture(data);
- break;
- case TFUNC_COLOR_RAMP:
- create_color_ramp(coba, data);
- break;
- }
-
- GPUTexture *tex = GPU_texture_create_1d(TFUNC_WIDTH, GPU_RGBA8, data, NULL);
-
- MEM_freeN(data);
-
- return tex;
-}
-
-static void swizzle_texture_channel_rrrr(GPUTexture *tex)
-{
- GPU_texture_bind(tex, 0);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_R, GL_RED);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_G, GL_RED);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_B, GL_RED);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_SWIZZLE_A, GL_RED);
- GPU_texture_unbind(tex);
-}
-
-static GPUTexture *create_field_texture(FluidDomainSettings *mds)
-{
- float *field = NULL;
-
- switch (mds->coba_field) {
- case FLUID_DOMAIN_FIELD_DENSITY:
- field = manta_smoke_get_density(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_HEAT:
- field = manta_smoke_get_heat(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_FUEL:
- field = manta_smoke_get_fuel(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_REACT:
- field = manta_smoke_get_react(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_FLAME:
- field = manta_smoke_get_flame(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_VELOCITY_X:
- field = manta_get_velocity_x(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_VELOCITY_Y:
- field = manta_get_velocity_y(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_VELOCITY_Z:
- field = manta_get_velocity_z(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_COLOR_R:
- field = manta_smoke_get_color_r(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_COLOR_G:
- field = manta_smoke_get_color_g(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_COLOR_B:
- field = manta_smoke_get_color_b(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_FORCE_X:
- field = manta_get_force_x(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_FORCE_Y:
- field = manta_get_force_y(mds->fluid);
- break;
- case FLUID_DOMAIN_FIELD_FORCE_Z:
- field = manta_get_force_z(mds->fluid);
- break;
- default:
- return NULL;
- }
-
- GPUTexture *tex = GPU_texture_create_nD(
- mds->res[0], mds->res[1], mds->res[2], 3, field, GPU_R8, GPU_DATA_FLOAT, 0, true, NULL);
-
- swizzle_texture_channel_rrrr(tex);
- return tex;
-}
-
-static GPUTexture *create_density_texture(FluidDomainSettings *mds, int highres)
-{
- float *data = NULL, *source;
- int cell_count = (highres) ? manta_smoke_turbulence_get_cells(mds->fluid) : mds->total_cells;
- const bool has_color = (highres) ? manta_smoke_turbulence_has_colors(mds->fluid) :
- manta_smoke_has_colors(mds->fluid);
- int *dim = (highres) ? mds->res_noise : mds->res;
- eGPUTextureFormat format = (has_color) ? GPU_RGBA8 : GPU_R8;
-
- if (has_color) {
- data = MEM_callocN(sizeof(float) * cell_count * 4, "smokeColorTexture");
- }
-
- if (highres) {
- if (has_color) {
- manta_smoke_turbulence_get_rgba(mds->fluid, data, 0);
- }
- else {
- source = manta_smoke_turbulence_get_density(mds->fluid);
- }
- }
- else {
- if (has_color) {
- manta_smoke_get_rgba(mds->fluid, data, 0);
- }
- else {
- source = manta_smoke_get_density(mds->fluid);
- }
- }
-
- GPUTexture *tex = GPU_texture_create_nD(dim[0],
- dim[1],
- dim[2],
- 3,
- (has_color) ? data : source,
- format,
- GPU_DATA_FLOAT,
- 0,
- true,
- NULL);
- if (data) {
- MEM_freeN(data);
- }
-
- if (format == GPU_R8) {
- /* Swizzle the RGBA components to read the Red channel so
- * that the shader stay the same for colored and non color
- * density textures. */
- swizzle_texture_channel_rrrr(tex);
- }
- return tex;
-}
-
-static GPUTexture *create_flame_texture(FluidDomainSettings *mds, int highres)
-{
- float *source = NULL;
- const bool has_fuel = (highres) ? manta_smoke_turbulence_has_fuel(mds->fluid) :
- manta_smoke_has_fuel(mds->fluid);
- int *dim = (highres) ? mds->res_noise : mds->res;
-
- if (!has_fuel) {
- return NULL;
- }
-
- if (highres) {
- source = manta_smoke_turbulence_get_flame(mds->fluid);
- }
- else {
- source = manta_smoke_get_flame(mds->fluid);
- }
-
- GPUTexture *tex = GPU_texture_create_nD(
- dim[0], dim[1], dim[2], 3, source, GPU_R8, GPU_DATA_FLOAT, 0, true, NULL);
-
- swizzle_texture_channel_rrrr(tex);
-
- return tex;
-}
-
-#endif /* WITH_FLUID */
-
-void GPU_free_smoke(FluidModifierData *mmd)
-{
- if (mmd->type & MOD_FLUID_TYPE_DOMAIN && mmd->domain) {
- if (mmd->domain->tex) {
- GPU_texture_free(mmd->domain->tex);
- }
- mmd->domain->tex = NULL;
-
- if (mmd->domain->tex_shadow) {
- GPU_texture_free(mmd->domain->tex_shadow);
- }
- mmd->domain->tex_shadow = NULL;
-
- if (mmd->domain->tex_flame) {
- GPU_texture_free(mmd->domain->tex_flame);
- }
- mmd->domain->tex_flame = NULL;
-
- if (mmd->domain->tex_flame_coba) {
- GPU_texture_free(mmd->domain->tex_flame_coba);
- }
- mmd->domain->tex_flame_coba = NULL;
-
- if (mmd->domain->tex_coba) {
- GPU_texture_free(mmd->domain->tex_coba);
- }
- mmd->domain->tex_coba = NULL;
-
- if (mmd->domain->tex_field) {
- GPU_texture_free(mmd->domain->tex_field);
- }
- mmd->domain->tex_field = NULL;
- }
-}
-
-void GPU_create_smoke_coba_field(FluidModifierData *mmd)
-{
-#ifndef WITH_FLUID
- UNUSED_VARS(mmd);
-#else
- if (mmd->type & MOD_FLUID_TYPE_DOMAIN) {
@@ Diff output truncated at 10240 characters. @@
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