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Differential D2457 Diff 8142 source/blender/gpu/intern/gpu_draw.c

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source/blender/gpu/intern/gpu_draw.c

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extern Material defmaterial; /* from material.c */ extern Material defmaterial; /* from material.c */
/* Text Rendering */
static void gpu_mcol(unsigned int ucol)
{
/* mcol order is swapped */
const char *cp = (char *)&ucol;
glColor3ub(cp[3], cp[2], cp[1]);
}
void GPU_render_text(
MTexPoly *mtexpoly, int mode,
const char *textstr, int textlen, unsigned int *col,
const float *v_quad[4], const float *uv_quad[4],
int glattrib)
{
if ((mode & GEMAT_TEXT) && (textlen > 0) && mtexpoly->tpage) {
const float *v1 = v_quad[0];
const float *v2 = v_quad[1];
const float *v3 = v_quad[2];
const float *v4 = v_quad[3];
Image *ima = (Image *)mtexpoly->tpage;
const size_t textlen_st = textlen;
float centerx, centery, sizex, sizey, transx, transy, movex, movey, advance;
/* multiline */
float line_start = 0.0f, line_height;
if (v4)
line_height = max_ffff(v1[1], v2[1], v3[1], v4[2]) - min_ffff(v1[1], v2[1], v3[1], v4[2]);
else
line_height = max_fff(v1[1], v2[1], v3[1]) - min_fff(v1[1], v2[1], v3[1]);
line_height *= 1.2f; /* could be an option? */
/* end multiline */
/* color has been set */
if (mtexpoly->mode & TF_OBCOL)
col = NULL;
else if (!col)
glColor3f(1.0f, 1.0f, 1.0f);
glPushMatrix();
/* get the tab width */
ImBuf *first_ibuf = BKE_image_get_first_ibuf(ima);
matrixGlyph(first_ibuf, ' ', &centerx, &centery,
&sizex, &sizey, &transx, &transy, &movex, &movey, &advance);
float advance_tab = advance * 4; /* tab width could also be an option */
for (size_t index = 0; index < textlen_st; ) {
unsigned int character;
float uv[4][2];
/* lets calculate offset stuff */
character = BLI_str_utf8_as_unicode_and_size_safe(textstr + index, &index);
if (character == '\n') {
glTranslatef(line_start, -line_height, 0.0f);
line_start = 0.0f;
continue;
}
else if (character == '\t') {
glTranslatef(advance_tab, 0.0f, 0.0f);
line_start -= advance_tab; /* so we can go back to the start of the line */
continue;
}
else if (character > USHRT_MAX) {
/* not much we can do here bmfonts take ushort */
character = '?';
}
/* space starts at offset 1 */
/* character = character - ' ' + 1; */
matrixGlyph(first_ibuf, character, & centerx, &centery,
&sizex, &sizey, &transx, &transy, &movex, &movey, &advance);
uv[0][0] = (uv_quad[0][0] - centerx) * sizex + transx;
uv[0][1] = (uv_quad[0][1] - centery) * sizey + transy;
uv[1][0] = (uv_quad[1][0] - centerx) * sizex + transx;
uv[1][1] = (uv_quad[1][1] - centery) * sizey + transy;
uv[2][0] = (uv_quad[2][0] - centerx) * sizex + transx;
uv[2][1] = (uv_quad[2][1] - centery) * sizey + transy;
glBegin(GL_POLYGON);
if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[0]);
else glTexCoord2fv(uv[0]);
if (col) gpu_mcol(col[0]);
glVertex3f(sizex * v1[0] + movex, sizey * v1[1] + movey, v1[2]);
if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[1]);
else glTexCoord2fv(uv[1]);
if (col) gpu_mcol(col[1]);
glVertex3f(sizex * v2[0] + movex, sizey * v2[1] + movey, v2[2]);
if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[2]);
else glTexCoord2fv(uv[2]);
if (col) gpu_mcol(col[2]);
glVertex3f(sizex * v3[0] + movex, sizey * v3[1] + movey, v3[2]);
if (v4) {
uv[3][0] = (uv_quad[3][0] - centerx) * sizex + transx;
uv[3][1] = (uv_quad[3][1] - centery) * sizey + transy;
if (glattrib >= 0) glVertexAttrib2fv(glattrib, uv[3]);
else glTexCoord2fv(uv[3]);
if (col) gpu_mcol(col[3]);
glVertex3f(sizex * v4[0] + movex, sizey * v4[1] + movey, v4[2]);
}
glEnd();
glTranslatef(advance, 0.0f, 0.0f);
line_start -= advance; /* so we can go back to the start of the line */
}
glPopMatrix();
BKE_image_release_ibuf(ima, first_ibuf, NULL);
}
}
/* Checking powers of two for images since OpenGL ES requires it */ /* Checking powers of two for images since OpenGL ES requires it */
static bool is_power_of_2_resolution(int w, int h) static bool is_power_of_2_resolution(int w, int h)
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if (glsl) { if (glsl) {
GMS.gmatbuf[0] = &defmaterial; GMS.gmatbuf[0] = &defmaterial;
GPU_material_from_blender(GMS.gscene, &defmaterial, GMS.is_opensubdiv); GPU_material_from_blender(GMS.gscene, &defmaterial, GMS.is_opensubdiv, false);
} }
GMS.alphablend[0] = GPU_BLEND_SOLID; GMS.alphablend[0] = GPU_BLEND_SOLID;
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if (ma == NULL) ma = &defmaterial; if (ma == NULL) ma = &defmaterial;
/* create glsl material if requested */ /* create glsl material if requested */
gpumat = glsl ? GPU_material_from_blender(GMS.gscene, ma, GMS.is_opensubdiv) : NULL; gpumat = glsl ? GPU_material_from_blender(GMS.gscene, ma, GMS.is_opensubdiv, false) : NULL;
if (gpumat) { if (gpumat) {
/* do glsl only if creating it succeed, else fallback */ /* do glsl only if creating it succeed, else fallback */
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/* unbind glsl material */ /* unbind glsl material */
if (GMS.gboundmat) { if (GMS.gboundmat) {
if (GMS.is_alpha_pass) glDepthMask(0); if (GMS.is_alpha_pass) glDepthMask(0);
GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv)); GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv, false));
GMS.gboundmat = NULL; GMS.gboundmat = NULL;
} }
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float auto_bump_scale; float auto_bump_scale;
GPUMaterial *gpumat = GPU_material_from_blender(GMS.gscene, mat, GMS.is_opensubdiv); GPUMaterial *gpumat = GPU_material_from_blender(GMS.gscene, mat, GMS.is_opensubdiv, false);
GPU_material_vertex_attributes(gpumat, gattribs); GPU_material_vertex_attributes(gpumat, gattribs);
if (GMS.dob) if (GMS.dob)
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glDisable(GL_CULL_FACE); glDisable(GL_CULL_FACE);
if (GMS.is_alpha_pass) glDepthMask(0); if (GMS.is_alpha_pass) glDepthMask(0);
GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv)); GPU_material_unbind(GPU_material_from_blender(GMS.gscene, GMS.gboundmat, GMS.is_opensubdiv, false));
GMS.gboundmat = NULL; GMS.gboundmat = NULL;
} }
else else
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gpu_material = GPU_material_from_blender(GMS.gscene, gpu_material = GPU_material_from_blender(GMS.gscene,
material, material,
GMS.is_opensubdiv); GMS.is_opensubdiv,
false);
GPU_material_update_fvar_offset(gpu_material, dm); GPU_material_update_fvar_offset(gpu_material, dm);
} }
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