[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48494] branches/soc-2012-swiss_cheese/ source/blender/gpu/intern: Adds software image scalling.
Alexander Kuznetsov
kuzsasha at gmail.com
Mon Jul 2 17:25:59 CEST 2012
Revision: 48494
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48494
Author: alexk
Date: 2012-07-02 15:25:56 +0000 (Mon, 02 Jul 2012)
Log Message:
-----------
Adds software image scalling. Supports scalling between 0.5 and 1.
Temporally changed minmap generation. GPU Minmap is only for ES devices for now.
Added definitions for GLES shader generation.
Modified Paths:
--------------
branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_codegen.c
branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_draw.c
Modified: branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_codegen.c
===================================================================
--- branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_codegen.c 2012-07-02 15:15:06 UTC (rev 48493)
+++ branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_codegen.c 2012-07-02 15:25:56 UTC (rev 48494)
@@ -604,7 +604,10 @@
/* create shader */
code = BLI_dynstr_get_cstring(ds);
BLI_dynstr_free(ds);
-
+
+#ifdef GLES
+ printf("%s\n", code);
+#endif
//if (G.debug & G_DEBUG) printf("%s\n", code);
return code;
@@ -616,6 +619,28 @@
GPUNode *node;
GPUInput *input;
char *code;
+
+#ifdef GLES
+
+BLI_dynstr_append(ds,
+"#define gl_ModelViewMatrix b_ModelViewMatrix\n"
+"#define gl_ProjectionMatrix b_ProjectionMatrix\n"
+"#define gl_NormalMatrix b_NormalMatrix\n"
+
+"#define gl_Vertex b_Vertex\n"
+"#define gl_Normal b_Normal\n"
+
+"uniform mat4 b_ProjectionMatrix ; \n"
+"uniform mat4 b_ModelViewMatrix ; \n"
+"uniform mat3 b_NormalMatrix ; \n"
+
+"attribute vec4 b_Vertex; \n"
+"attribute vec3 b_Normal; \n"
+"\n");
+
+
+
+#endif
for (node=nodes->first; node; node=node->next) {
for (input=node->inputs.first; input; input=input->next) {
@@ -668,6 +693,15 @@
ds = BLI_dynstr_new();
+#ifdef GLES
+ BLI_dynstr_append(ds,
+ "#define B_GLES\n"
+ "precision mediump float; \n"
+
+ );
+#endif
+
+
if (GPU_bicubic_bump_support()) {
BLI_dynstr_append(ds, "/* These are needed for high quality bump mapping */\n"
"#version 130\n"
Modified: branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_draw.c
===================================================================
--- branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_draw.c 2012-07-02 15:15:06 UTC (rev 48493)
+++ branches/soc-2012-swiss_cheese/source/blender/gpu/intern/gpu_draw.c 2012-07-02 15:25:56 UTC (rev 48494)
@@ -32,6 +32,10 @@
#include <string.h>
+#ifdef GLES
+#include <GLES2/gl2.h>
+#endif
+
#include "BLI_math.h"
#include "BLI_utildefines.h"
@@ -425,6 +429,91 @@
}
}
+#define BOX_FILTER_HALF_ONLY \
+ for(y=0; y<hightout; y++)\
+ {\
+ for(x=0; x<widthout; x++)\
+ {\
+ for(sizei=0; sizei<size; sizei++)\
+ {\
+ int p;\
+ wf = scw*x;\
+ hf = sch*y;\
+ win = wf;\
+ hin = hf;\
+ \
+ mix[0][1] = wf-win;\
+ mix[0][0] = 1.0f - mix[0][1];\
+ \
+ mix[1][1] = hf-hin;\
+ mix[1][0] = 1.0f - mix[1][1];\
+ \
+ p = (hin*widthin+win)*size+sizei;\
+ col[0][0]=p<max?imgin[p]:0;\
+ p = (hin*widthin+win+1)*size+sizei;\
+ col[0][1]=p<max?imgin[p]:0;\
+ p = ((hin+1)*widthin+win)*size+sizei;\
+ col[1][0]=p<max?imgin[p]:0;\
+ p = ((hin+1)*widthin+win+1)*size+sizei;\
+ col[1][1]=p<max?imgin[p]:0;\
+ \
+ imgout[(y*widthout+x)*size+sizei] = mix[0][0]*mix[1][0]*col[0][0]+\
+ mix[0][1]*mix[1][0]*col[0][1]+\
+ mix[0][0]*mix[1][1]*col[1][0]+\
+ mix[0][1]*mix[1][1]*col[1][1];\
+ }}}
+
+static void ScaleHalfImageChar(int size, unsigned char *imgin, int widthin, int hightin, unsigned char* imgout, int widthout, int hightout)
+{
+ int sizei, x, y;
+ float scw = (float)(widthin-1)/(widthout-1);
+ float sch = (float)(hightin-1)/(hightout-1);
+ int hin, win;
+ float hf, wf;
+ float mix[2][2];
+ char col[2][2];
+ int max = hightin*widthin*size;
+
+ BOX_FILTER_HALF_ONLY
+}
+
+static void ScaleHalfImageFloat(int size, float *imgin, int widthin, int hightin, float* imgout, int widthout, int hightout)
+{
+ int sizei, x, y;
+ float scw = (float)(widthin-1)/(widthout-1);
+ float sch = (float)(hightin-1)/(hightout-1);
+ int hin, win;
+ float hf, wf;
+ float mix[2][2];
+ float col[2][2];
+ int max = hightin*widthin*size;
+
+ BOX_FILTER_HALF_ONLY
+}
+
+#undef BOX_FILTER_HALF_ONLY
+
+#ifndef GLES
+static void GenerateMipmapRGBA(int high_bit, int w, int h, void * data)
+{
+ if (high_bit)
+ gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA16, w, h, GL_RGBA, GL_FLOAT, data);
+ else
+ gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, w, h, GL_RGBA, GL_UNSIGNED_BYTE, data);
+}
+#else
+static void GenerateMipmapRGBA(int high_bit, int w, int h, void * data)
+{
+#include REAL_GL_MODE
+ if (high_bit)
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, w, h, 0, GL_RGBA, GL_FLOAT, data);
+ else
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ glGenerateMipmap(GL_TEXTURE_2D);
+#include FAKE_GL_MODE
+}
+#endif
+
int GPU_verify_image(Image *ima, ImageUser *iuser, int tftile, int compare, int mipmap)
{
ImBuf *ibuf = NULL;
@@ -576,6 +665,7 @@
if (*bind != 0) {
/* enable opengl drawing with textures */
+#include REAL_GL_MODE
glBindTexture(GL_TEXTURE_2D, *bind);
return *bind;
}
@@ -648,13 +738,12 @@
if (use_high_bit_depth) {
fscalerect= MEM_mallocN(rectw*recth*sizeof(*fscalerect)*4, "fscalerect");
- gluScaleImage(GL_RGBA, tpx, tpy, GL_FLOAT, frect, rectw, recth, GL_FLOAT, fscalerect);
-
+ ScaleHalfImageFloat(4, (float*)pix, tpx, tpy, (float*)fscalerect, rectw, recth);
frect = fscalerect;
}
else {
scalerect= MEM_mallocN(rectw*recth*sizeof(*scalerect), "scalerect");
- gluScaleImage(GL_RGBA, tpx, tpy, GL_UNSIGNED_BYTE, pix, rectw, recth, GL_UNSIGNED_BYTE, scalerect);
+ ScaleHalfImageChar(4, (unsigned char*)pix, tpx, tpy, (unsigned char*)scalerect, rectw, recth);
pix= scalerect;
}
@@ -664,39 +753,35 @@
glGenTextures(1, (GLuint *)bind);
glBindTexture(GL_TEXTURE_2D, *bind);
+
if (!(gpu_get_mipmap() && mipmap)) {
if (use_high_bit_depth)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, rectw, recth, 0, GL_RGBA, GL_FLOAT, frect);
else
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
}
else {
- if (GTS.gpu_mipmap) {
- if (use_high_bit_depth)
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, rectw, recth, 0, GL_RGBA, GL_FLOAT, frect);
- else
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix);
+
+ GenerateMipmapRGBA(use_high_bit_depth, rectw, recth, use_high_bit_depth?frect: pix);
- glGenerateMipmapEXT(GL_TEXTURE_2D);
- } else {
- if (use_high_bit_depth)
- gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA16, rectw, recth, GL_RGBA, GL_FLOAT, frect);
- else
- gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, pix);
- }
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gpu_get_mipmap_filter(0));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
-
+#include FAKE_GL_MODE
ima->tpageflag |= IMA_MIPMAP_COMPLETE;
}
if (GLEW_EXT_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
+
+#ifndef GLES
/* set to modulate with vertex color */
+ /* we don't have it in OpenGL ES 2.0 */
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+#endif
+
if (scalerect)
MEM_freeN(scalerect);
if (fscalerect)
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