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path: root/drivers/gles2/shader_compiler_gles2.cpp
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Diffstat (limited to 'drivers/gles2/shader_compiler_gles2.cpp')
-rw-r--r--drivers/gles2/shader_compiler_gles2.cpp187
1 files changed, 183 insertions, 4 deletions
diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp
index d00b03fb8a..7e9b6fdb82 100644
--- a/drivers/gles2/shader_compiler_gles2.cpp
+++ b/drivers/gles2/shader_compiler_gles2.cpp
@@ -316,9 +316,14 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = snode->uniforms.front(); E; E = E->next()) {
StringBuffer<> uniform_code;
- uniform_code += "uniform ";
+ // use highp if no precision is specified to prevent different default values in fragment and vertex shader
+ SL::DataPrecision precision = E->get().precision;
+ if (precision == SL::PRECISION_DEFAULT && E->get().type != SL::TYPE_BOOL) {
+ precision = SL::PRECISION_HIGHP;
+ }
- uniform_code += _prestr(E->get().precision);
+ uniform_code += "uniform ";
+ uniform_code += _prestr(precision);
uniform_code += _typestr(E->get().type);
uniform_code += " ";
uniform_code += _mkid(E->key());
@@ -348,6 +353,11 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
varying_code += _typestr(E->get().type);
varying_code += " ";
varying_code += _mkid(E->key());
+ if (E->get().array_size > 0) {
+ varying_code += "[";
+ varying_code += itos(E->get().array_size);
+ varying_code += "]";
+ }
varying_code += ";\n";
String final_code = varying_code.as_string();
@@ -356,6 +366,21 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
fragment_global += final_code;
}
+ // constants
+
+ for (Map<StringName, SL::ShaderNode::Constant>::Element *E = snode->constants.front(); E; E = E->next()) {
+ String gcode;
+ gcode += "const ";
+ gcode += _prestr(E->get().precision);
+ gcode += _typestr(E->get().type);
+ gcode += " " + _mkid(E->key());
+ gcode += "=";
+ gcode += _dump_node_code(E->get().initializer, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ gcode += ";\n";
+ vertex_global += gcode;
+ fragment_global += gcode;
+ }
+
// functions
Map<StringName, String> function_code;
@@ -429,7 +454,9 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
SL::VariableDeclarationNode *var_dec_node = (SL::VariableDeclarationNode *)p_node;
StringBuffer<> declaration;
-
+ if (var_dec_node->is_const) {
+ declaration += "const ";
+ }
declaration += _prestr(var_dec_node->precision);
declaration += _typestr(var_dec_node->datatype);
@@ -490,7 +517,99 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
}
}
} break;
+ case SL::Node::TYPE_ARRAY_DECLARATION: {
+
+ SL::ArrayDeclarationNode *arr_dec_node = (SL::ArrayDeclarationNode *)p_node;
+
+ StringBuffer<> declaration;
+ if (arr_dec_node->is_const) {
+ declaration += "const ";
+ }
+ declaration += _prestr(arr_dec_node->precision);
+ declaration += _typestr(arr_dec_node->datatype);
+
+ for (int i = 0; i < arr_dec_node->declarations.size(); i++) {
+
+ if (i > 0) {
+ declaration += ",";
+ }
+
+ declaration += " ";
+
+ declaration += _mkid(arr_dec_node->declarations[i].name);
+ declaration += "[";
+ declaration += itos(arr_dec_node->declarations[i].size);
+ declaration += "]";
+ int sz = arr_dec_node->declarations[i].initializer.size();
+ if (sz > 0) {
+ declaration += "=";
+ declaration += _typestr(arr_dec_node->datatype);
+ declaration += "[";
+ declaration += itos(sz);
+ declaration += "]";
+ declaration += "(";
+ for (int j = 0; j < sz; j++) {
+ declaration += _dump_node_code(arr_dec_node->declarations[i].initializer[j], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ if (j != sz - 1) {
+ declaration += ", ";
+ }
+ }
+ declaration += ")";
+ }
+ }
+
+ code += declaration.as_string();
+ } break;
+ case SL::Node::TYPE_ARRAY: {
+ SL::ArrayNode *arr_node = (SL::ArrayNode *)p_node;
+
+ if (p_assigning && p_actions.write_flag_pointers.has(arr_node->name)) {
+ *p_actions.write_flag_pointers[arr_node->name] = true;
+ }
+
+ if (p_default_actions.usage_defines.has(arr_node->name) && !used_name_defines.has(arr_node->name)) {
+ String define = p_default_actions.usage_defines[arr_node->name];
+
+ if (define.begins_with("@")) {
+ define = p_default_actions.usage_defines[define.substr(1, define.length())];
+ }
+ r_gen_code.custom_defines.push_back(define.utf8());
+ used_name_defines.insert(arr_node->name);
+ }
+
+ if (p_actions.usage_flag_pointers.has(arr_node->name) && !used_flag_pointers.has(arr_node->name)) {
+ *p_actions.usage_flag_pointers[arr_node->name] = true;
+ used_flag_pointers.insert(arr_node->name);
+ }
+
+ if (p_default_actions.renames.has(arr_node->name)) {
+ code += p_default_actions.renames[arr_node->name];
+ } else {
+ code += _mkid(arr_node->name);
+ }
+
+ if (arr_node->call_expression != NULL) {
+ code += ".";
+ code += _dump_node_code(arr_node->call_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ }
+
+ if (arr_node->index_expression != NULL) {
+ code += "[";
+ code += _dump_node_code(arr_node->index_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ code += "]";
+ }
+
+ if (arr_node->name == time_name) {
+ if (current_func_name == vertex_name) {
+ r_gen_code.uses_vertex_time = true;
+ }
+ if (current_func_name == fragment_name || current_func_name == light_name) {
+ r_gen_code.uses_fragment_time = true;
+ }
+ }
+
+ } break;
case SL::Node::TYPE_CONSTANT: {
SL::ConstantNode *const_node = (SL::ConstantNode *)p_node;
@@ -623,6 +742,17 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += ")";
+ if (p_default_actions.usage_defines.has(var_node->name) && !used_name_defines.has(var_node->name)) {
+ String define = p_default_actions.usage_defines[var_node->name];
+
+ if (define.begins_with("@")) {
+ define = p_default_actions.usage_defines[define.substr(1, define.length())];
+ }
+
+ r_gen_code.custom_defines.push_back(define.utf8());
+ used_name_defines.insert(var_node->name);
+ }
+
} break;
case SL::OP_INDEX: {
@@ -633,11 +763,13 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
} break;
case SL::OP_SELECT_IF: {
+ code += "(";
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " ? ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " : ";
code += _dump_node_code(op_node->arguments[2], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ code += ")";
} break;
case SL::OP_MOD: {
@@ -677,6 +809,14 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += "else\n";
code += _dump_node_code(cf_node->blocks[1], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
}
+ } else if (cf_node->flow_op == SL::FLOW_OP_DO) {
+ code += _mktab(p_level);
+ code += "do";
+ code += _dump_node_code(cf_node->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
+ code += _mktab(p_level);
+ code += "while (";
+ code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ code += ");";
} else if (cf_node->flow_op == SL::FLOW_OP_WHILE) {
code += _mktab(p_level);
code += "while (";
@@ -775,7 +915,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
actions[VS::SHADER_CANVAS_ITEM].renames["WORLD_MATRIX"] = "modelview_matrix";
actions[VS::SHADER_CANVAS_ITEM].renames["PROJECTION_MATRIX"] = "projection_matrix";
- actions[VS::SHADER_CANVAS_ITEM].renames["EXTRA_MATRIX"] = "extra_matrix";
+ actions[VS::SHADER_CANVAS_ITEM].renames["EXTRA_MATRIX"] = "extra_matrix_instance";
actions[VS::SHADER_CANVAS_ITEM].renames["TIME"] = "time";
actions[VS::SHADER_CANVAS_ITEM].renames["AT_LIGHT_PASS"] = "at_light_pass";
actions[VS::SHADER_CANVAS_ITEM].renames["INSTANCE_CUSTOM"] = "instance_custom";
@@ -799,6 +939,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
actions[VS::SHADER_CANVAS_ITEM].renames["LIGHT_UV"] = "light_uv";
actions[VS::SHADER_CANVAS_ITEM].renames["LIGHT"] = "light";
actions[VS::SHADER_CANVAS_ITEM].renames["SHADOW_COLOR"] = "shadow_color";
+ actions[VS::SHADER_CANVAS_ITEM].renames["SHADOW_VEC"] = "shadow_vec";
actions[VS::SHADER_CANVAS_ITEM].usage_defines["COLOR"] = "#define COLOR_USED\n";
actions[VS::SHADER_CANVAS_ITEM].usage_defines["SCREEN_TEXTURE"] = "#define SCREEN_TEXTURE_USED\n";
@@ -808,6 +949,25 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
actions[VS::SHADER_CANVAS_ITEM].usage_defines["NORMALMAP"] = "#define NORMALMAP_USED\n";
actions[VS::SHADER_CANVAS_ITEM].usage_defines["LIGHT"] = "#define USE_LIGHT_SHADER_CODE\n";
actions[VS::SHADER_CANVAS_ITEM].render_mode_defines["skip_vertex_transform"] = "#define SKIP_TRANSFORM_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["SHADOW_VEC"] = "#define SHADOW_VEC_USED\n";
+
+ // Ported from GLES3
+
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["sinh"] = "#define SINH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["cosh"] = "#define COSH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["tanh"] = "#define TANH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["asinh"] = "#define ASINH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["acosh"] = "#define ACOSH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["atanh"] = "#define ATANH_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["determinant"] = "#define DETERMINANT_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["transpose"] = "#define TRANSPOSE_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["outerProduct"] = "#define OUTER_PRODUCT_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["round"] = "#define ROUND_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["roundEven"] = "#define ROUND_EVEN_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["inverse"] = "#define INVERSE_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["isinf"] = "#define IS_INF_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["isnan"] = "#define IS_NAN_USED\n";
+ actions[VS::SHADER_CANVAS_ITEM].usage_defines["trunc"] = "#define TRUNC_USED\n";
/** SPATIAL SHADER **/
@@ -901,6 +1061,24 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
actions[VS::SHADER_SPATIAL].usage_defines["DIFFUSE_LIGHT"] = "#define USE_LIGHT_SHADER_CODE\n";
actions[VS::SHADER_SPATIAL].usage_defines["SPECULAR_LIGHT"] = "#define USE_LIGHT_SHADER_CODE\n";
+ // Ported from GLES3
+
+ actions[VS::SHADER_SPATIAL].usage_defines["sinh"] = "#define SINH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["cosh"] = "#define COSH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["tanh"] = "#define TANH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["asinh"] = "#define ASINH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["acosh"] = "#define ACOSH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["atanh"] = "#define ATANH_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["determinant"] = "#define DETERMINANT_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["transpose"] = "#define TRANSPOSE_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["outerProduct"] = "#define OUTER_PRODUCT_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["round"] = "#define ROUND_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["roundEven"] = "#define ROUND_EVEN_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["inverse"] = "#define INVERSE_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["isinf"] = "#define IS_INF_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["isnan"] = "#define IS_NAN_USED\n";
+ actions[VS::SHADER_SPATIAL].usage_defines["trunc"] = "#define TRUNC_USED\n";
+
actions[VS::SHADER_SPATIAL].render_mode_defines["skip_vertex_transform"] = "#define SKIP_TRANSFORM_USED\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["world_vertex_coords"] = "#define VERTEX_WORLD_COORDS_USED\n";
@@ -934,6 +1112,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() {
actions[VS::SHADER_SPATIAL].render_mode_defines["specular_disabled"] = "#define SPECULAR_DISABLED\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["shadows_disabled"] = "#define SHADOWS_DISABLED\n";
actions[VS::SHADER_SPATIAL].render_mode_defines["ambient_light_disabled"] = "#define AMBIENT_LIGHT_DISABLED\n";
+ actions[VS::SHADER_SPATIAL].render_mode_defines["shadow_to_opacity"] = "#define USE_SHADOW_TO_OPACITY\n";
// No defines for particle shaders in GLES2, there are no GPU particles